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Class 11SociologyIntroducing SociologyChapter 5

Doing Sociology: Research Methods

≈ 45 min read · 1 Prelims and 1 Mains questions from this chapter
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Start here: why this chapter matters

In simple wordsEveryone has an opinion on why students drop out, why villages vote as they do, or whether joint families are disappearing. A sociologist's opinion is worth more only if it was reached by a method others can check — who was asked, how they were chosen, how the answers were recorded. This chapter is about that ‘how’.

The last chapter of Introducing Sociology asks what makes sociology a social science. Its answer is method. It discusses objectivity and reflexivity, the choice among methods, and then three methods in detail: participant observation (field work), the survey and the interview. It has five activities, a sex-ratio table and ten exercise questions. The Class 12 chapter Suggestions for Project Work applies these methods to small student projects; this page covers the principles behind them and does not repeat that one.

  • Builds on Chapter 1 (sociology vs common sense; sociology and social anthropology), Chapter 2 (reflexivity in concepts) and Chapter 3 (the sex ratio). Links to Understanding Society, Chapter 5 (Indian sociologists — Srinivas's village studies).
  • Pairs with live chapters: Class 12 Indian Society, Chapter 1 Introducing Indian Society (self-reflexivity), Chapter 2 The Demographic Structure (Census data) and Chapter 7 Suggestions for Project Work (practical survey, interview, observation); Social Change and Development in India, Chapter 4 Change and Development in Rural Society.
  • UPSC: Prelims asked what an exit poll is — a post-election survey of voters (1994). The Essay paper set ‘What is research, but a blind date with knowledge’ (2021). Beyond these, the chapter is a toolkit for reading Census, NSS, NFHS and PLFS data critically in GS answers.
WordWhat it means here
Method / methodologyA procedure for gathering knowledge / the study of methods and general problems of knowledge-gathering
Objectivity / subjectivityUnbiased, based on facts / based on individual values and preferences
ReflexivityThe researcher's ability to observe and analyse oneself (Glossary)
Multi-paradigmaticContaining competing, mutually incompatible schools of thought
Quantitative / qualitativeDealing with countable variables / with attitudes, emotions, meanings
Primary / secondary dataFreshly produced by the researcher / already existing records
TriangulationUsing several methods on one problem from different vantage points
Participant observation / field workLiving among the people studied for a long period to learn their whole way of life
GenealogyAn extended family tree across generations (Glossary)
InformantA member of the community who teaches the researcher; ‘key’ or ‘principal’ informant
Population / sampleThe larger body studied / a small subset chosen to represent it (Glossary)
Stratification (statistical)Dividing a population into relevant sub-groups — not the sociological concept
Randomisation / probabilitySelection purely by chance / the likelihood of an event
Sampling / non-sampling errorUnavoidable error from using a sample / error from faults in design or conduct
CensusA comprehensive survey covering every member of a population
Reading NCERT's chapter opening (page 82)No opening photograph — a QR code and the question why sociology is called a social science, when its subject is so familiar. The point: the claim to science rests on method, and because sociology wants both what an outsider sees and what an insider means, method matters even more here than elsewhere.

At a glance — the six ideas to carry away

  • Sociologists differ from lay people by how they know, not how much; sociology needs the outsider's observation and the insider's meanings.
  • Objectivity is harder in sociology (researcher bias; many ‘truths’; multi-paradigmatic) → self-reflexivity, documentation, declaring one's background; objectivity is a continuous process.
  • Methods: quantitative/qualitative, primary/secondary, micro/macro — conventions only; choose by the question; combine (triangulation).
  • Participant observation: about a year living ‘as one of them’; census → map → genealogy → language → informants and daily field notes. Malinowski (Trobriands) made it the anthropologist's method; India's village studies of the 1950s.
  • Survey: a representative sample — all relevant strata + random choice within them; report size, design and margin of error; gives the aggregate picture (child sex ratio) but little depth; non-sampling errors.
  • Interview: a guided conversation between questionnaire and participant observation — extremely flexible, but unstable; depends on rapport.

1. Why method matters in sociology

In simple wordsTwo people watch a shopkeeper and a customer haggle. One notes the starting price, the final price and the time taken. The other asks both afterwards what they thought was ‘fair’ and why they gave in. Sociology wants both accounts — and needs careful methods to get each.

More than any other discipline, sociology deals with things already familiar to most people — groups, institutions, norms, relationships. So what makes the sociologist different? As in all sciences, the crucial element is method: sociologists differ from lay persons not by how much or what they know, but by how they acquire knowledge. Sociology is also deeply interested in lived experience: in friendship, religion or bargaining, it wants not only what a bystander can observe but the opinions and feelings of those involved — what friendship means in different cultures, what a believer thinks a ritual does, how shopkeeper and customer read each other's words and gestures. The need to understand both the outsider's and the insider's points of view is another reason method matters.

The outsider's viewwhat a bystander can observe:who bargains, for how long, what priceis finally paid, how often peoplevisit the shrineThe insider's viewwhat it means to those involved:what a ‘fair’ price is to the seller andthe buyer; what a ritual does forthe believer; what friendship meansMethodhow knowledge is gathered — the sociologist's differenceNCERT pages 82–83 · sociologists differ from lay people not by how much they know but by how they come to know it
Outsider and insider views — and why method matters (NCERT pages 82–83).
Beyond NCERT — the insider's view as a traditionMax Weber called the effort to grasp the meaning an action has for the actor verstehen (‘understanding’); anthropologists speak of the emic (insider) and etic (outsider) perspectives, terms coined by the linguist Kenneth Pike (1954). Both name NCERT's two points of view.

2. Objectivity, subjectivity and reflexivity

In simple wordsA referee who supports one team can still be fair — if she knows her loyalty, checks herself, uses video replays others can see, and admits her team in advance. That is roughly how sociologists handle their own biases.

‘Methodology’ is often used as a synonym for method but strictly means the study of method — general problems of scientific knowledge-gathering beyond any one technique. ‘Objective’ means unbiased, neutral, based on facts alone; ‘subjective’, based on individual values and preferences. Every science aims to be objective, but this is much harder in the social sciences. A geologist or botanist is not part of the world of rocks or plants; social scientists study the social world they themselves live in.

  • Bias: sociologists have ordinary likes and dislikes; one studying families is a member of a family; one studying another caste or religious community may carry the attitudes of her own social environment.
  • Remedies: rigorously examine one's own ideas and feelings; take an outsider's perspective on one's own work — self-reflexivity, consciously adopting the point of view of others, especially the people studied; document all procedures and cite all sources so that others can retrace the steps and one can re-check one's own argument; and, because unconscious bias remains, state the features of one's own background that might bias the work, so readers can mentally ‘compensate’.
  • Many versions of ‘truth’: shopkeeper and customer differ on a ‘good’ price, young and old on ‘good food’; sociology tries not to judge which is true, because it is interested in what people think and why.
  • Many paradigms: like its sister disciplines, sociology is ‘multi-paradigmatic’ — competing, incompatible schools coexist (Chapter 2).

So the old notion of an ‘objective, disinterested’ social science is widely seen as outdated, even misleading. This does not make sociological knowledge useless or objectivity a useless concept: objectivity is a goal of a continuous, ongoing process, not an end result already achieved.

Examine your own viewsrigorously and continuouslySee yourself as others see youself-reflexivityDocument everythingprocedures and sources citedDeclare your backgroundso readers can ‘compensate’Others retrace and checkre-check your own argument tooObjectivity: a goal pursuedcontinuously, not an end achievedNCERT pages 83–85 · problems: researcher bias; many versions of ‘truth’; a multi-paradigmatic discipline
Objectivity as a continuous process (NCERT pages 83–85).
Reading NCERT's Activity 1 (page 84)Students write a short description of themselves, in the third person, as seen by their best friend, their rival and their teacher, then compare. The point: this is reflexivity in practice — seeing oneself from other vantage points reveals that each viewpoint is partial, which is exactly the problem of ‘many versions of truth’.
Beyond NCERT — positions on objectivity, side by side
  • Max Weber: research should be ‘value-free’ in method, though values guide the choice of topic.
  • Pierre Bourdieu called for a ‘reflexive sociology’ in which sociologists analyse their own position in the field.
  • Feminist standpoint scholars (e.g. Sandra Harding, 1980s–90s) argue that starting from the lives of the marginalised can yield ‘strong objectivity’; critics worry about relativism.
  • The term ‘paradigm’ comes from Thomas Kuhn, The Structure of Scientific Revolutions (1962). The live page Introducing Indian Society treats self-reflexivity from the student's side.
Read carefully
  • NCERT does not say objectivity is useless — it says the old idea of a disinterested science is outdated, and objectivity is an ongoing goal.
  • Declaring one's background is a remedy for unconscious bias.
  • Methodology ≠ method: it is the study of methods.

3. Many methods, and how to choose

In simple wordsA thermometer, an X-ray and a conversation with the patient each tell a doctor something different. Asking which is ‘the best instrument’ is pointless; the question is which suits what you want to know — and good doctors use several.

With multiple truths and perspectives come multiple methods; there is no single road to sociological truth. Each method has strengths and weaknesses, so arguing over superiority is futile; the right question is whether the method suits the research question. To find out whether most Indian families are still joint, a census or survey is best; to compare women's status in joint and nuclear families, interviews, case studies or participant observation may suit. Conventional classifications: quantitative (countable variables — proportions, averages) vs qualitative (attitudes, emotions); methods studying observable behaviour vs non-observable meanings and values; secondary data (documents, records, artefacts — e.g. historical methods using archives) vs primary data (e.g. interviews); and micro methods (small settings, a single researcher — interview, participant observation) vs macro methods (large numbers of respondents and investigators — chiefly the survey).

These classifications are conventions; the lines are not sharp, and one method can be converted into or supplemented by another. The choice depends on the research question, the researcher's preferences and constraints of time and resources. The recent trend is to bring several methods to bear on the same problem from different vantage points — triangulation. NCERT stresses methods producing primary data, as most distinctive of sociology, and introduces the three most prominent: the survey, the interview and participant observation.

Quantitativecountable, measurable: proportions, averagesQualitativeattitudes, emotions, meaningsvsPrimary datafresh data: interviews, surveys, field workSecondary dataexisting records: archives, documents, artefactsvsMacrolarge samples, many investigators: surveyMicrosmall settings, one researcher: interview, participant observationvsLines are conventional, not sharp — methods can be converted or combined (‘triangulation’)NCERT pages 85–86 · choose by the research question, the researcher’s preference, and limits of time and resources
Three conventional ways of classifying methods (NCERT pages 85–86).
Beyond NCERT — triangulation and ‘mixed methods’The sociologist Norman Denzin (The Research Act, 1970) set out kinds of triangulation — of data, investigators, theories and methods. Today ‘mixed methods’ research routinely pairs large surveys with in-depth interviews; India's National Family Health Survey, for example, is a large sample survey whose findings scholars often follow up with qualitative studies.

4. Participant observation: field work in social anthropology

In simple wordsYou can read every guidebook about a city and still not know it. Live there for a year — buy vegetables, attend weddings, learn the slang, make friends — and you start to understand things no guidebook says. That is participant observation.

Popular in sociology and especially social anthropology, participant observation differs from surveys or interviews in its long period of interaction: typically the researcher spends many months — about a year or more — living among the people studied as one of them. As an outsider, the anthropologist immerses herself in the ‘native’ culture, learning the language and taking part in everyday life, to acquire the insider's explicit and implicit knowledge. The goal is to learn the ‘whole way of life’; the model is the child, who learns about the world holistically. It is also called ‘field work’, a term borrowed from natural sciences such as botany, zoology and geology, whose scientists had to leave the laboratory for ‘the field’.

Field work made anthropology a science. Early anthropologists were ‘armchair scholars’ who compiled accounts by travellers, missionaries, colonial administrators and soldiers about communities they never visited — James Frazer's The Golden Bough and Durkheim's work on primitive religion rested on such second-hand accounts. From the late 19th century, some scholars began systematic first-hand study; reliance on second-hand accounts came to be seen as unscholarly, and since the 1920s field work has been integral to anthropological training. Many places became famous through classic field studies.

Reading NCERT's box ‘Bronislaw Malinowski and the “Invention” of Field Work’ (page 88)The box tells how Malinowski, in Australia when the First World War began in 1914, was treated as an ‘enemy alien’ and asked to spend his internment in the Trobriand Islands, where — financed by the Australian government — he lived in a tent in native villages, learnt the language, kept detailed notes and a daily diary, and wrote books now considered classics. Already convinced that anthropology needed direct, unmediated contact, without interpreters and in context, he used his position at the London School of Economics to make field work a mandatory part of training. The point: a method, not just a theory, made anthropology a respected science.
Correcting details in the Malinowski box
  • NCERT says Malinowski became an enemy alien because ‘Poland was annexed by Germany’. In 1914 there was no Polish state; Malinowski, born in Kraków in the Austrian part of partitioned Poland, was an Austro-Hungarian subject, and that is why he was an enemy alien in the British Empire (Beyond NCERT; standard biographies).
  • He was not yet a professor in 1914; he became Professor of Anthropology at the LSE later (1927). His Trobriand fieldwork was spread over two stays (1915–16 and 1917–18), roughly two years in all.
  • Safe line: ‘Malinowski's long Trobriand fieldwork during the First World War made participant observation the hallmark of social anthropology.’

What did the anthropologist do? Usually begin with a census of the community — everyone's sex, age group and family — and a map of the settlement, with houses and socially relevant sites. A key early technique is the genealogy: a family tree for individuals, extended back as far as people remember, built by asking a household head about relatives in his or her own generation, then the parents' and grandparents' generations, and cross-checking with other relatives. This reveals the kinship system and, practically, introduces the researcher to people. Then come constant language learning, observation and detailed notes on festivals, collective events, livelihoods, family relations and child-rearing — asking ‘endless questions’ about things members take for granted, like a child. The anthropologist depends on one or two informants (‘principal’ or, in early usage, ‘native’ informants), who act as teachers; and keeps field notes written up every day without fail, perhaps as a daily diary.

Grandparents’ generationParents’ generationInformant’s generationgrandfathergrandmotherfather’s brotherfatherfather’s sistermotheregosisterthe informantcross-check each answerwith other relatives△ male · ○ female · horizontal line: marriage or siblings · vertical: descentNCERT pages 87–89 · a schematic only: ask about each generation as far back as people remember
How a field genealogy is built and cross-checked (NCERT pages 87–89).
⤵ Steps of classic anthropological field work (NCERT's account)
Census of the communitylist everyone: sex, age group, family
Map the settlementhouses and socially relevant sites
Build genealogiesfamily trees across generations, cross-checked with relatives
Learn the language; observefestivals, livelihoods, family, child-rearing — ask ‘why’ like a child
Work with informants; write notes dailyprincipal informants as teachers; field notes or a diary every day
Reading NCERT's Activity 2 (page 89)Students locate famous field sites on a world map — Radcliffe-Brown in the Andamans, Evans-Pritchard among the Nuer in Sudan, Franz Boas among Native American tribes, Margaret Mead in Samoa, Clifford Geertz in Bali — and ask what they have in common and what difficulties researchers faced living in a ‘strange’ culture. The point: most classic sites lay in colonised or peripheral regions — the link between early anthropology and empire that NCERT raises later.
Beyond NCERT — the classic studies, dates
  • Malinowski, Argonauts of the Western Pacific (1922); A.R. Radcliffe-Brown, The Andaman Islanders (1922, fieldwork 1906–08); E.E. Evans-Pritchard, The Nuer (1940); Margaret Mead, Coming of Age in Samoa (1928); Geertz's Bali essays in The Interpretation of Cultures (1973).
  • Malinowski's private field diary, published posthumously in 1967, revealed frustrations and prejudices absent from his books — fuel for later debates on the ‘one-sided’ relationship NCERT discusses.
  • James Frazer's The Golden Bough first appeared in 1890.

5. Field work in sociology and India's village studies

In simple wordsAn anthropologist once travelled to a faraway island to do field work. A sociologist might do it in a city slum, a factory floor or the village next to her own — places where the people can read what she writes about them.

Sociological field work uses much the same techniques; it differs in context (where) and emphasis rather than content. Sociologists also try to become insiders, but among all sorts of communities, not only remote tribes, and do not necessarily ‘live in’, though they spend most of their time with the community. William Foote Whyte spent three and a half years ‘hanging out’ with a street ‘gang’ of mostly poor, unemployed young men — the first American-born generation of Italian immigrants — in a city slum, and wrote Street Corner Society. Michael Burawoy worked for several months as a machinist in a Chicago factory and wrote about work from the workers' perspective.

Reading NCERT's box ‘Field Work in Sociology — Some Difficulties’ (page 90)Whyte notes that, unlike an anthropologist studying a distant tribe, he was studying literate people who would read his report; disguised names fooled outsiders but not the people of the district, who could identify individuals. He felt a heavy responsibility — wanting the book to help the district, or at least to minimise harm, while knowing some individuals might suffer from publication. The point: research ethics — confidentiality and avoiding harm — become pressing when the researched can read and answer back.

Village studies. In India, field work was used above all in village studies from the 1950s, by Indian and foreign scholars. The village served as the equivalent of the tribe: a ‘bounded community’ small enough for one researcher to know almost everyone. Anthropology was unpopular with nationalists for its preoccupation with the ‘primitive’ and its perceived colonial bias — stressing the non-modern side of colonised societies; and classic field work (Malinowski, Evans-Pritchard) was made possible by colonial empires. Studying villages seemed more acceptable. Above all, villages mattered to newly independent India: the government wanted rural development; the national movement, especially Gandhi, had run ‘village uplift’ programmes; urban educated Indians retained links to villages; and most Indians lived (and still live) in villages.

Reading NCERT's box ‘Different Styles of Doing Village Studies’ (page 92)Four examples: William and Charlotte Wiser, a missionary couple, lived five years in a UP village and wrote Behind Mud Walls, a by-product of their mission work (William Wiser had earlier written an academic book on the jajmani system); M.N. Srinivas spent a year in a village near Mysore he called Rampura and wrote The Remembered Village from memory after his field notes were destroyed in a fire; S.C. Dube, at Osmania University, was part of a multi-disciplinary team (agriculture, economics, veterinary science, medicine) that studied and sought to develop Shamirpet near Secunderabad, reported in Indian Village; and the Cornell Village Study Project brought American anthropologists, psychologists and linguists to study several villages in eastern Uttar Pradesh. The point: ‘village study’ covered very different styles — missionary, classical solo, development-oriented team and academic multi-disciplinary.
Beyond NCERT — dates and debates
  • Street Corner Society (1943), set in Boston's North End (‘Cornerville’); Burawoy, Manufacturing Consent (1979); the Wisers' Behind Mud Walls (1930) on the village Karimpur, and William Wiser's The Hindu Jajmani System (1936); S.C. Dube, Indian Village (1955); Srinivas, The Remembered Village (1976) — his notes were burnt in an arson attack at Stanford in 1970.
  • Critics of village studies — including later Indian scholars — argued that treating the village as a ‘bounded’, self-contained unit understated its links with towns, markets and the state; others defended them as the indispensable ‘field view’ that corrected text-based pictures of caste (see the live page Introducing Indian Society).
  • Talal Asad (ed.), Anthropology and the Colonial Encounter (1973), is a classic on the link NCERT mentions.
Reading NCERT's Activity 3 (page 91)Village students describe their village to an outsider and compare it with villages shown in films and television, and say whether they would live in screen cities; town students describe their neighbourhood and compare it with screen versions and screen villages. The point: insider knowledge differs from media images — the first step of field work is noticing what an insider takes for granted and an outsider gets wrong.

6. Strengths and limits of participant observation

In simple wordsA year in one village can tell you more about that village than any survey. But is that village typical? And when you read the book, are you hearing the villagers — or the researcher's choice of what to write down?

Strengths: a very rich, detailed picture of life from the insider's perspective — the main return on the heavy investment of time; knowledge of the field over a long period rather than a quick visit; correction of initial impressions, which may be mistaken or biased; the ability to track change and see how contexts matter (a good harvest year vs a bad one; employed vs unemployed). A full-time participant observer can avoid many errors of surveys, questionnaires and short-term observation.

Weaknesses: long, intensive work by a single scholar can cover only a very small part of the world — a village or small community — so we can never be sure whether what was observed is common or exceptional: probably the biggest disadvantage. We are never sure whether we hear the voice of the researcher or of the people: the researcher, consciously or not, selects what goes into notes and how it is presented, and no other version is available (though this risk exists in most methods). More generally, field work rests on a one-sided relationship: the researcher asks, answers and speaks for ‘the people’. Some scholars propose dialogic formats — translating the work into the community's language, seeking their opinion and recording it. As the gap between researcher and researched narrows, the scholar's version will more often be questioned and corrected — making research more controversial and difficult, but in the long run more democratic.

⤵ From a one-sided to a dialogic study (NCERT's suggestion)
Field workthe researcher observes, asks and records
The scholar's versionwritten in the researcher's language for other scholars
Translate backrender the findings in the community's language
Ask and record responsespeople question, qualify or correct the account
A more democratic knowledgeharder and more contested, but better social science
Beyond NCERT — the debate on representationJames Clifford and George Marcus (eds.), Writing Culture (1986), argued that ethnographies are constructed texts shaped by the author's authority, and urged ‘dialogic’ and ‘polyphonic’ writing — the movement NCERT summarises. Defenders of classic ethnography reply that long immersion remains the best guard against misunderstanding. M.N. Srinivas, A.M. Shah and E.A. Ramaswamy's The Fieldworker and the Field (in NCERT's readings) collects Indian sociologists' reflections on these problems.

7. Surveys and sampling

In simple wordsA cook tastes one spoonful to know whether the whole pot needs salt — but only if the pot was stirred first. A survey is the spoonful; random sampling is the stirring.

The survey is probably sociology's best-known method, now part of everyday public life — election predictions, marketing, opinion polls. It provides an overview based on information from a carefully chosen, representative set of people (respondents). It is usually done by large teams: researchers who design it and investigators or research assistants who collect data — orally in personal visits or by telephone, through written questionnaires delivered or posted, or electronically by email or web forms. Its main advantage: results can be generalised to a large population by studying only a small portion, with manageable time, effort and money.

The ‘shortcut’ rests on sampling theory and the representativeness of the sample, which depends on two principles. First, all relevant sub-groups must be represented — stratification in the statistical sense (rural and urban; villages of different sizes; class, caste, gender, age, religion), with relevance set by the study's objectives (all religions for a study of religious attitudes; workers, managers and industrialists for one on trade unions). Second, the actual unit — person, household or village — must be chosen purely by chance: randomisation, based on probability, like a coin landing heads or tails with equal 50 per cent chance. Choosing villages near the highway, or middle-class or familiar households, makes the sample purposive, not random. Lots, dice, random-number tables or computer-generated numbers ensure chance.

NCERT's example: to test whether smaller, more intimate communities produce greater inter-community harmony than larger ones in one state's rural sector, list all villages with their populations (from the Census), define ‘small’ and ‘large’, drop the ‘medium’ ones, and — giving equal weight to each stratum — draw 10 small and 10 large villages by lot. Real designs have many stages and strata, but the principle is the same: a small sample carefully chosen to stand for the population, whose results are generalised. The sample's statistical properties make it closely resemble the population; small deviations remain, and their likely size can be specified — the margin of error or sampling error, arising not from mistakes but from using a sample. Researchers must report the size and design of their sample and the margin of error. Sample sizes range from 30–40 to many thousands; bigger is more likely to be representative (the extreme being a census), but the mode of selection matters even more.

All villages in the statelist with populations (Census)Stratify by sizesmall · medium · largeDrop the ‘medium’keep two strata of interestRandom drawnumber each list; draw10 by lot from each(dice, tables, computer)Sample: 20 villages10 small + 10 large —equal weight to eachstratumStudy and generalisetest the hypothesis:smaller villages → moreinter-community harmony?Two principles: (1) every relevant stratum represented; (2) units inside each stratum chosen purely by chance.Choosing only villages near the highway, or households you know, makes the sample purposive, not random.NCERT pages 96–97 · real designs have many stages and strata; results carry a sampling error that must be reported
NCERT's worked sampling example (pages 96–97).
⤵ Drawing a representative sample
Define the populatione.g. all villages in the rural sector of one state
Identify relevant strataset by the research question — here, village size
List the units in each stratuma sampling frame, e.g. from Census lists
Select by chance within stratalots, dice, random-number tables, computers
Study, generalise, report errorstate sample size, design and margin of error
±0±2±4±6±8±10±9.8n = 100±4.9n = 400±3.1n = 1,000±2.0n = 2,500±1.0n = 10,000percentage points95% margin ≈ 1.96 × √(p(1−p)/n), with p = 0.5 · four times the sample halves the errorBeyond NCERT · simple random samples; stratified or clustered designs change the figurehow the sample is chosen matters more than its size
Margin of error by sample size — computed (Beyond NCERT).
Beyond NCERT — the arithmetic of sampling error, recomputedFor a simple random sample, the 95% margin of error for a percentage near 50% is about 1.96 × √(0.25 ÷ n): n = 100 → ±9.8 points; n = 400 → ±4.9; n = 1,000 → ±3.1; n = 2,500 → ±2.0; n = 10,000 → ±1.0. Quadrupling the sample only halves the error, and the error depends on the sample size, not the population size — which is why a well-chosen sample of a few thousand can describe a nation. It says nothing about bias: a huge but purposive sample can be badly wrong (the 1936 Literary Digest US election poll, with over two million replies, wrongly predicted Roosevelt's defeat).
Reading NCERT's box ‘The Census and the National Statistical Organisation’ (page 95)The decennial Census is described as the largest such exercise in the world, involving lakhs of investigators and huge expense, but covering every household and every person; many developed countries now rely on sample surveys instead. The NSO conducts annual sample surveys on household expenditure and employment, and every five years a bigger survey of about 1.2 lakh households and over 6 lakh persons — which the box calls about 0.06 per cent of a population of ‘over one billion’, yet representative because scientifically selected. The point: a tiny but properly chosen sample can estimate population characteristics.
Census and NSO box — corrections and recomputation
  • NCERT says China ‘does not conduct a regular census’. That is incorrect: China holds national censuses roughly every ten years — 1953, 1964, 1982, 1990, 2000, 2010 and the seventh in 2020 (Beyond NCERT). Safe line: ‘India's Census is among the largest administrative exercises in the world.’
  • Recomputed: 6 lakh ÷ 100 crore = 0.06% for exactly one billion; at the 2011 population of about 121 crore it is about 0.05%; at today's roughly 140 crore, about 0.04%.
  • Since 2019 the NSSO and CSO have been merged into the National Statistical Office (NSO) under the Ministry of Statistics and Programme Implementation; the five-yearly employment rounds were replaced from 2017–18 by the Periodic Labour Force Survey (Beyond NCERT).
  • The 2011 Census was the last completed; the next has a reference date of 1 March 2027 (as on the live Demographic Structure page).

The aggregate picture. In situations where a census is not feasible, the survey is the only way to study the population as a whole, and its unique advantage is the aggregated picture: many problems become visible only at the collective level. NCERT's example is the child sex ratio, which cannot be seen by looking at individual families — one family's proportion of boys and girls could be offset by others — but only through a census or large survey.

800850900950945927914India875798846Punjab879819830Haryana915868866Delhi928883890Gujarat951896906Himachal199120012011 (provisional)NCERT page 98 · girls per 1,000 boys aged 0–6 · axis starts at 760 · final 2011 figures differ slightly — see the trap box
NCERT's child sex ratio table (page 98), drawn as bars.
Reading NCERT's box ‘Aggregate Statistics: the Alarming Decline in the Sex Ratio’ (page 98)A table gives girls per 1,000 boys aged 0–6 for India and Punjab, Haryana, Delhi, Gujarat and Himachal Pradesh in 1991, 2001 and 2011 — e.g. India 945, 927, 914; Punjab 875, 798, 846; Haryana 879, 819, 830. The point: the child sex ratio is an aggregate (macro) variable — a social problem that exists only at the level of the population and needs census or survey methods to be seen. NCERT asks for other issues that only surveys or censuses can reveal.
The sex-ratio box — read the numbers carefully
  • The 2011 figures are the provisional ones. Final Census figures: India 918 (919 in some tables, as on the live Demographic Structure page); Punjab 846; Haryana 834; Delhi 871; Gujarat 890; Himachal Pradesh 909.
  • NCERT says the ratio has been ‘falling steadily’ for many States — but its own table shows Punjab, Haryana, Gujarat and Himachal Pradesh rising between 2001 and 2011, while India's overall ratio kept falling. Safe line: ‘the national child sex ratio fell from 945 (1991) to 918 (2011); several north-western States recovered partly after 2001 from very low levels.’
  • The box refers to ‘Chapter 4’ for the sociological concept of stratification — it is in Chapter 2. It also cites a private website as its source; use the Census of India.

Weaknesses. Wide coverage comes at the cost of depth: time per respondent is limited. With many investigators, complicated questions or those needing prompting may not be asked identically, and differences in asking or recording introduce errors — so the questionnaire (‘survey instrument’) must be designed very carefully, with little chance of correction once in use. Without a long-term relationship, questions must be ones strangers can ask and answer; personal or sensitive questions may be answered ‘safely’ rather than truthfully. Such faults are non-sampling errors — errors from design or implementation, not from sampling — and some are hard to foresee, so surveys can produce misleading estimates. Ultimately a survey depends on a tightly structured, inflexible questionnaire and on the goodwill and cooperation of respondents.

Reading NCERT's Activities 4 and 5 (pages 97–98)Activity 4: discuss surveys seen in newspapers or television, including election surveys — were the margin of error, sample size and selection method reported? NCERT warns to be suspicious of surveys that omit them, since media often make big claims on biased samples. Activity 5: design different samples for three school questions — siblings and school performance; the most popular break-time activity in primary, middle, secondary and senior secondary classes; and whether a favourite subject is taught by the favourite teacher, by gender. The point: the question decides the strata — family size in the first, class level in the second, gender in the third.
Read carefully
  • Statistical stratification (sub-groups of a population) is different from social stratification (structured inequality).
  • Sampling error is unavoidable and arises from using a sample; non-sampling error arises from faults in design or conduct.
  • The mode of selection matters more than size (NCERT).
  • A sample of villages near a highway is purposive, not random.
  • An exit poll surveys voters as they leave the booth about how they actually voted; an opinion poll asks about intentions before voting (UPSC 1994). Neither predicts results ‘exactly’ — both carry sampling and non-sampling errors.

8. The interview

In simple wordsA good interview feels like a conversation but is steered — like a skilled host who keeps a dinner-table chat on topics that matter. When it goes well you learn things no form could capture; when the mood turns, you may learn nothing at all.

An interview is a guided conversation between researcher and respondent. Its simplicity is deceptive: it takes practice and skill. It occupies the ground between the structured questionnaire of the survey and the completely open-ended interaction of participant observation. Its chief advantage is the extreme flexibility of the format: questions can be rephrased, their order changed, fruitful topics extended and unwelcome ones cut short or postponed — all during the interview. The same flexibility is its weakness: it is vulnerable to the respondent's changes of mood or the interviewer's lapses of concentration — an unstable, unpredictable format that ‘works very well when it works, and fails miserably when it doesn't’.

Styles differ: some prefer a loose checklist of topics, others specific questions for all respondents. Recording may be by audio or video, detailed notes during the interview, or memory and later writing-up; recorders may make respondents uneasy and formal, while lighter methods may miss information; circumstances often decide. Publication styles also differ: a ‘cleaned up’ continuous narrative or a transcript keeping the asides and digressions. The interview is often used with other methods — long conversations with key informants in participant observation, or intensive interviews adding depth to survey findings. It depends on personalised access and on rapport — mutual trust between respondent and researcher.

tightly structured · wide · shallowopen-ended · narrow · deepSurveymany respondents; a fixedquestionnaire; investigators+ representative, generalisable− little depth; strangers' questions;non-sampling errorsInterviewa guided conversation;checklist or set questions+ extreme flexibility− moods, lapses — ‘worksvery well, or fails miserably’Participant observationabout a year living ‘as oneof them’; genealogy, notes+ rich insider picture;corrects first impressions− one community; whose voice?The interview ‘occupies the ground between’ the survey questionnaire and participant observation (NCERT)NCERT pages 93–100 · the Class 12 project chapter compares the same three for small student projects
Survey, interview and participant observation on one spectrum (NCERT pages 93–100).
Beyond NCERT — ethics for all three methodsProfessional codes (e.g. of the International Sociological Association and national associations) stress informed consent, confidentiality and anonymity, avoiding harm, and honesty in reporting — the concerns in Whyte's box. The Class 12 live chapter Suggestions for Project Work lists a short ethical checklist for student projects.

NCERT's activities and in-text questions — short answers

The chapter has five activities and several questions in its boxes. Short outlines follow.

Activity 1 (page 84): Describe yourself, in the third person, as seen by your best friend, your rival and your teacher. What do the descriptions show?
Each viewpoint highlights different traits (loyal and funny; competitive; punctual or careless). None is complete; together they are richer. This is reflexivity — seeing oneself through others' eyes — and shows why sociologists must consider multiple versions of ‘truth’.
Activity 2 (page 89): Locate Radcliffe-Brown's Andamans, Evans-Pritchard's Nuer (Sudan), Boas's Native American tribes, Mead's Samoa and Geertz's Bali. What do they have in common, and what difficulties did fieldworkers face?
All lie outside Europe, most in then-colonised or peripheral regions, among small non-literate or rural communities. Difficulties: language, climate and disease, isolation, suspicion of outsiders, dependence on colonial authorities, ethical dilemmas, and loneliness — visible in Malinowski's diary.
Activity 3 (page 91): Describe your village or neighbourhood to an outsider; compare with screen images. Would you live in screen cities or villages?
Insiders emphasise relationships, routines, local problems and change; films often show villages as idyllic or backward and cities as glamorous or dangerous. The gap between lived experience and representation is what field work tries to close.
Activity 4 (page 97): Do media surveys report margin of error, sample size and selection? Why does it matter?
Often not. Without size, design and error, readers cannot judge whether a difference (e.g. 2 points between parties) is real or within error, or whether the sample was biased (e.g. online volunteers). Treat unreported surveys with suspicion.
Activity 5 (page 98)(i): Sample design — do students with many siblings do better or worse in studies?
Stratify by number of siblings (none or one vs three or more), perhaps also by class level; draw students randomly from school registers within each stratum (equal numbers); compare marks. Consider controlling for family income, which may affect both.
Activity 5 (ii): Sample design — the most popular break-time activity in primary, middle, secondary and senior secondary sections.
Stratify by the four sections; within each, randomly select students (e.g. by roll-number lottery), possibly proportionate to section size; ask or observe break-time activity.
Activity 5 (iii): Sample design — is a student's favourite subject the one taught by the favourite teacher, and does it differ between boys and girls?
Stratify by gender (and perhaps class level); random selection within each; ask both favourite subject and favourite teacher; compare the proportion matching for boys and girls.
Sex-ratio box (page 98): Other social issues that can only be studied by surveys or censuses?
Literacy and school enrolment rates; unemployment; poverty incidence; child malnutrition and anaemia (NFHS); migration flows; age at marriage; disability prevalence; household access to water, sanitation and the internet — all aggregate patterns invisible in single families.
In-text (page 85): Which method suits 'are most Indian families still joint?' and which suits 'women's status in joint vs nuclear families'?
The first is a question of proportions across the country — census or large survey. The second is about meanings, power and everyday relations — interviews, case studies or participant observation, perhaps after a survey identifies households.
Whyte box (page 90): What responsibilities does a researcher have when the people studied can read the report?
Protect identities beyond mere name changes, avoid harm to individuals, seek consent, represent people fairly, and consider how findings might be used — while still reporting honestly.

NCERT exercise — answer outlines

The ten questions at the end of the chapter (pages 101–102). Try each first, then open the outline.

1. Why is the question of a scientific method particularly important in sociology?
Sociology's subject is familiar, so its claim to differ from common sense rests on how knowledge is acquired, not how much is known. It needs both outsider observation and insider meanings; it faces special problems of objectivity; and its findings guide public debate and policy, so they must be checkable.
2. Why is 'objectivity' more complicated in social sciences, particularly sociology?
(a) The researcher is part of the society studied — bias from her own family, caste, religion, class; (b) many versions of ‘truth’ — shopkeeper and customer, young and old; (c) sociology is multi-paradigmatic. Hence the old ideal of a disinterested science is outdated.
3. How do sociologists deal with difficulties in objectivity and strive for it?
Self-reflexivity (examine one's own views; see oneself through others' eyes; adopt the subjects' point of view); careful documentation and citation so others can retrace steps; declaring relevant features of one's background; using multiple methods (triangulation); treating objectivity as a continuous goal.
4. What is meant by 'reflexivity' and why is it important?
The researcher's ability to observe and analyse herself — taking an outsider's view of her own work and an insider's view of her subjects. Important because sociologists belong to the world they study and may carry unconscious bias; reflexivity, documentation and disclosure let both researcher and readers check and correct.
5. What do ethnographers and sociologists do during participant observation?
Live among the community for about a year; take a census and map the settlement; build genealogies and cross-check them; learn the language; observe festivals, livelihoods, family and child-rearing; ask endless ‘why’ questions; rely on key informants; write detailed field notes daily. Sociologists may not ‘live in’ and work among any community — a gang (Whyte), a factory (Burawoy), a village (Srinivas).
6. What are the strengths and weaknesses of participant observation?
Strengths: rich insider picture; long-term knowledge; corrects first impressions; tracks change and context. Weaknesses: covers one small community, so typicality is uncertain (the biggest drawback); the researcher's selection may replace the people's voice; one-sided relationship — answered by dialogic formats.
7. What are the basic elements of the survey method? What is its chief advantage?
A representative sample of respondents; a carefully designed questionnaire; teams of researchers and investigators; data gathered in person, by phone, post or online; analysis and generalisation with a stated margin of error. Chief advantage: generalising to a large population by studying a small portion with manageable time and cost — and producing the aggregate picture.
8. Describe the criteria for selecting a representative sample.
(1) Represent all relevant strata, as defined by the research question (rural/urban, village size, caste, gender, religion…); (2) choose units within strata purely by chance (randomisation — lots, dice, random numbers), not purposively. Size matters, but selection matters more; report size, design and margin of error. Illustrate with NCERT's 10 small + 10 large villages.
9. State some weaknesses of the survey method.
Breadth without depth; limited time per respondent; investigators may ask or record differently; inflexible questionnaire that cannot be corrected mid-way; only questions strangers can ask — sensitive ones answered ‘safely’; non-sampling errors hard to foresee; dependence on respondents' cooperation.
10. Describe the main features of the interview as a research method.
A guided conversation between survey and participant observation; extreme flexibility (rephrase, reorder, extend or drop topics); styles from topic checklists to set questions; recording by audio, video, notes or memory, each with trade-offs; presentation as cleaned-up narrative or full transcript; often combined with other methods (key informants, survey follow-ups); depends on access and rapport; unstable — works very well or fails.

What to remember

Numbers

Typical participant-observation stay (NCERT)about a year, sometimes more
Field work integral to anthropology sincethe 1920s
Malinowski in Australia when war broke out1914; Trobriand fieldwork 1915–16 and 1917–18 (Beyond NCERT)
Whyte's fieldwork (Street Corner Society)three and a half years; book 1943 (Beyond NCERT)
Wisers in their UP villagefive years; Behind Mud Walls 1930 (Beyond NCERT)
Srinivas in Rampuraone year; The Remembered Village 1976
Indian village studies' heyday1950s and 1960s
NCERT's sampling example10 small + 10 large villages
Probability of heads with a fair coin50%
Sample sizes in practice (NCERT)30–40 to many thousands
NSO five-yearly survey (NCERT)about 1.2 lakh households, 6 lakh+ persons
Share of population sampled (recomputed)0.06% of 1 billion · ~0.05% of 2011's 121 crore · ~0.04% of 140 crore
Margin of error, n = 1,000 (Beyond NCERT)about ±3.1 percentage points
Margin of error, n = 400 / 2,500 (Beyond NCERT)about ±4.9 / ±2.0 points
Child sex ratio, India (NCERT table)945 (1991) → 927 (2001) → 914 (2011 provisional; final 918)
Child sex ratio, Punjab875 → 798 → 846
China's national censuses (Beyond NCERT)1953, 1964, 1982, 1990, 2000, 2010, 2020
NSSO and CSO merged into NSO (Beyond NCERT)2019
Exercise questions in the chapter10

One-liners

  • Sociologists differ from lay people by how they know, not how much.
  • Sociology needs both the outsider's and the insider's view.
  • Objectivity is a continuous goal, not an achieved result.
  • Reflexivity: examine yourself, document everything, declare your background.
  • No method is superior; choose the one that fits the question — and combine them.
  • Participant observation: live as one of them, for about a year.
  • Genealogy and key informants are the anthropologist's early tools.
  • A sample is representative if all relevant strata are included and units are chosen by chance.
  • How a sample is selected matters more than how big it is.
  • Surveys show aggregate patterns invisible in single families.
  • The interview is flexible — and therefore unstable.

Traps to avoid

  • Methodology is the study of methods, not a synonym for method.
  • Statistical stratification is not social stratification.
  • Sampling error is unavoidable; non-sampling error comes from faulty design or conduct.
  • A sample of villages near the highway is purposive, not random.
  • NCERT is wrong that China does not hold a regular census — it held its seventh in 2020.
  • Malinowski was an enemy alien as an Austro-Hungarian subject; ‘Poland annexed by Germany’ is incorrect.
  • NCERT's 2011 child sex ratios are provisional (India 914; final 918).
  • Punjab's and Haryana's child sex ratios rose between 2001 and 2011, despite ‘falling steadily’ in the text.
  • An exit poll surveys actual voters after voting; an opinion poll surveys intentions before.
  • The interview lies between the survey and participant observation.

How to strategise

Prelims — what UPSC asks

  • Prelims asked what an exit poll is — a post-election survey of voters about whom they actually voted for (1994); the wrong options (same as an opinion poll; ‘most exactly predicts’ results) fail on this chapter's ideas of sampling and non-sampling error.
  • Know the institutions: the decennial Census (complete enumeration) vs NSO sample surveys; the 2019 merger of NSSO and CSO into the National Statistical Office; the PLFS (from 2017–18) and NFHS. Use final Census figures (child sex ratio 918/919 in 2011).

Mains — where it appears and how to answer

  • Essay: ‘What is research, but a blind date with knowledge’ (2021) — field work's correction of first impressions, unsuspected findings, objectivity as a continuous process, reflexivity, the ‘luck’ of random sampling, dialogic research. This is the weakest link: use the chapter for concrete illustrations, not as the whole argument.
  • GS answers generally: when citing data, name the source and type (Census = enumeration; NSS/PLFS/NFHS = sample surveys with sampling error); distinguish aggregate trends from individual cases; pair numbers with qualitative evidence (triangulation).
  • Methods in society questions: a GS1 question on, say, the joint family or the sex ratio is stronger if it notes which kind of evidence would settle it — the chapter's own example (survey for prevalence, interviews or participant observation for women's status).

Self-check

Tap an option. NCERT's own exercise questions come first; the rest test the figures and common confusions.

1. According to NCERT, sociologists differ from lay persons mainly in:

2. ‘Self-reflexivity’ in research means:

3. Which pair is correctly matched?

4. The two principles of selecting a representative sample, per NCERT, are:

5. Errors in survey results that arise from faults in questionnaire design or the way questions are asked are called:

6. Who is widely credited with establishing field work as the distinctive method of social anthropology?

7. The Remembered Village, written after the author's field notes were destroyed by fire, is by:

8. Why does NCERT use the child sex ratio as an example of aggregate statistics?

UPSC questions from this chapter

Open any question to attempt it in the Question bank — your attempt is saved to your progress.

Prelims

1 questions · newest first
1994Prelims GSWhich one of the following statements regarding ‘Exit Poll’ is correct ?Attempt →

Mains

1 questions
2021EssayWhat is research, but a blind date with knowledgeWrite answer →

1 Prelims and 1 Mains UPSC questions are linked to this chapter. More from Introducing Sociology.