Comprehensive Study Notes: Topic 2 – Sociological Research Methods (Education Context)

2.1 Researching Social Life

  • Objective of sociology in Chapter 1 context: balance between objective research and theory-building; research is complex with pitfalls.

  • Major issues that arise in sociological research:

    • Topic selection repetition and neglect: Why do some topics recur (e.g., young people and offending) while others are rarely explored (e.g., ecological rule-breaking by multinational companies)? Possibilities:

    • Socially important or interesting topics to sociologists

    • Funding biases: resources may flow to issues that threaten powerful groups’ interests

    • Method choice: Why do sociologists choose certain methods over others? Range from large-scale questionnaires with statistical analysis to long-term participant immersion with groups.

    • Question: Are there any violations of the research project by choosing one method over another?

  • The chapter promises to address ethical and theoretical debates around research methods and how these affect reading education research practically and theoretically.

  • The Choice of Research Area (before starting a study): several factors influence topic selection:
    1) Researcher’s values and social position (e.g., gender, class, ethnicity) may lead to choosing issues perceived as important or interesting to the researcher.
    2) Researchers’ professional interests: career progression, peer respect, job security; funding bodies (e.g., ESRC in Britain) channel money, which is government-influenced; this shapes which subjects get attention (e.g., standard proving in education) vs. less attention (e.g., student protests).
    3) Sociologists’ alignment with broader sociological developments and societal needs; topics become fashionable or deemed important in particular eras (e.g., feminism influencing research on gender in education; new policies like academies/free schools influencing interest in those topics).
    4) Practicalities: research that is impractical, expensive, or time-consuming is less likely; more practical, cheaper research is preferred.
    5) Ethical considerations: areas with serious ethical difficulties are avoided; e.g., sexuality in schools vs. exam performance data availability; choosing a topic can reflect and reinforce prejudices about groups.
    6) Theoretical stance: some researchers feel drawn to certain societal perspectives (e.g., Feminist, Marxist, or functionalist) which guide topic choices.

  • Focus on how debates about topic importance relate to broader issues of power, representation, and social justice.

  • Emphasis on the interaction of values, professional incentives, societal developments, practicality, ethics, and theory in shaping research topics.

  • Practical implications for the educational research context: drive to study issues that link to policy and classroom practice, while balancing ethical concerns and methodological fit.

Key Concepts Introduced in 2.1

  • Reliability vs Validity: reliability concerns whether results would be the same if the study were repeated under the same conditions; validity concerns whether the study measures what it intends to measure and captures the truth about the social world.

  • Representativeness and Generalisability: representativeness asks whether the sample reflects a cross-section of the population; generalisability concerns whether findings apply to the wider population beyond the sample.

  • Objectivity: researchers’ values should not bias the design or execution; complete objectivity is unrealistic, but avoiding deliberate bias is essential.

  • Distinction between common sense and sociological research: common sense is often biased, limited, and non-systematic; sociological research seeks evidence-based understanding that can be tested and questioned.

  • Triangulation and methodological pluralism: using multiple methods to study the same issue to improve reliability and validity; combining quantitative and qualitative approaches.

  • Critical and interpretive approaches: different stances on whether sociology should be neutral or oriented toward uncovering injustice; examples include Marxism and feminism.

  • Ethical considerations in research: obtaining informed consent, avoiding harm, confidentiality, and safeguarding; especially salient in educational contexts with pupils and staff.

Examples, Connections, and Practical Implications

  • Reference to ESRC and government influence on funding and focus areas; link to policy-driven research in education.

  • Real-world relevance: research on education, equality, and access (e.g., how funding shapes what gets studied and how findings influence policy).

  • Conceptual link to previous chapters: the relationship between theory and method, how theoretical commitments guide method choice, and how ethics constrain design.

2.2 Choices in Research Methods, Practicalities, Ethics and Theories

  • Two broad epistemological positions:

    • Positivism (Quantitative, scientific approach): assumes objective social facts that can be measured with statistics; seeks correlations and laws; views human behavior as driven by external stimuli and social structures; emphasizes replicable, testable results using methods like surveys and official statistics.

    • Interpretivism (Qualitative, human-centric): emphasizes understanding meaning, motives, and interpretations from the perspective of individuals; uses qualitative data to understand social action, with focus on meanings and social processes; tends to favor qualitative methods like participant observation and in-depth interviews; less emphasis on generalizable statistics.

  • Theoretical orientations and their influence on research design:

    • Structural approaches (e.g., Marxism, functionalism): focus on how society is organized; use statistical methods to uncover general patterns; tend toward positivist methods.

    • Action/interpretive approaches (e.g., symbolic interactionism): focus on meanings and motives; favor qualitative methods; view social reality as constructed by people.

  • The role of triangulation and methodological pluralism: many sociologists mix methods to compensate for the limitations of any single method; triangulation helps build a more robust understanding and can address reliability and validity concerns.

  • Practical issues affecting method choice:

    • Money: larger samples cost more; travel, incentives, data processing can be expensive; sometimes cheaper options (e.g., online surveys) are chosen.

    • Time: longer studies require more resources and may delay results; researchers may be under time pressures to publish.

    • Access: gaining consent and access to participants can be challenging (schools, workplaces, government bodies, etc.); some populations are difficult to access (e.g., senior management meetings, cabinet meetings).

    • Ethical constraints: research must avoid harm; issues of confidentiality and potential career harm to participants; need to consider whether certain observations (e.g., in staff rooms) can be conducted ethically.

  • The relationship between practice, ethics, and theory:

    • Ethical considerations can limit what researchers can do (e.g., access, deception, covert observation).

    • Theoretical commitments influence what is considered ethical or acceptable in a given study; e.g., sensitivity to child protection issues in educational research.

  • Examples of research design elements in education:

    • Reay et al. (2010/2011) study on higher education choices among non-school-leavers from traditional middle-class backgrounds: used 502 questionnaires and 53 interviews; some qualitative data were not representative of the broader sample; emphasized issues of self-definition and representativeness; questions about ethnicity and class were used as variables; researchers used Registrar-General categories and omitted one group to simplify analysis; posed questions about improvements to research design.

    • Mac an Ghaill (Ethnographic studies in inner-city schools): used participant observation to understand racism and culture in education; adopted a Black perspective to reinterpret underachievement as coping with a racially structured institution; reflexivity about researcher’s position and its effects on objectivity.

  • Ethical and practical issues in educational contexts:

    • Gaining access to educational staff can be constrained by schedules, hierarchies, and potential job risk; DBS checks may be required for working with children; observational methods raise concerns about consent and the Hawthorne effect (presence of observer changing behavior).

    • Observing pupils in classrooms may distort behavior; interviews with teachers can be limited by professional scrutiny; sampling may be non-representative due to access constraints.

  • Theoretical debates and applications to education research:

    • How different theoretical approaches shape questions about schooling, equality, and opportunity; e.g., feminist theories focusing on gender inequalities; Marxist critiques focusing on power and class dynamics; functionalist focus on socialization and shared values.

2.3 Quantitative Research Methods

  • Core aims of quantitative research in sociology:

    • To gather statistical data about social life that can be tested for reliability and validity; to identify correlations and, where possible, causal relationships; to test theories using numerical data.

  • Common quantitative methods used in sociology:

    • Surveys: standardized data collection from large samples via questionnaires or structured interviews; data analyzed statistically; aims include factual description, attitudinal differences, and explanatory accounts.

    • Case studies (quantitative flavor): detailed numerical data on a limited number of cases; can be used to explore patterns across larger populations when aggregated.

    • Experiments: controlled testing of hypotheses with manipulation of independent variables and measurement of dependent variables; replication possible; limited use in sociology due to ethical and practical constraints.

    • Comparative methods: comparing differences across groups or societies to identify key factors; Durkheim’s suicide study is a classic example; similar logic to experiments but in real-world settings with variables not fully controllable.

  • Surveys: three main aims
    1) Factual surveys: describe the population (e.g., how many people have internet access).
    2) Antheirical surveys: uncover differences in values and attitudes (e.g., youth views on the Internet).
    3) Explanatory surveys: explain aspects of social life (e.g., why some apply to university). Example: British Social Attitudes Survey; Longitudinal components like the Longitudinal Study of Young People in England.

  • Longitudinal vs cross-sectional surveys:

    • Cross-sectional: snap-shot at one point in time; faster but may miss changes.

    • Longitudinal: study the same people over time (e.g., Longitudinal Study of Young People in England, started in 2004, with >15{,}000 participants initially; follow-ups annually). Problems: high cost and time, attrition as respondents drop out, possible behavior change due to participation.

  • Sampling and representativeness in quantitative research:

    • Random sampling: equal chance for each unit; large samples improve representativeness but are not guaranteed; sampling frames must be accurate.

    • Systematic sampling: e.g., every 10th name.

    • Stratified random sampling: population divided into strata (e.g., by gender, class), then random samples drawn within strata; ensures proportionate representation.

    • Quota sampling: quotas set for specific characteristics; non-random selection within quotas; useful for large populations when a sampling frame is hard to obtain.

    • Snowball sampling: identify one participant who then names others; useful for hard-to-reach groups but non-representative.

    • Theoretical sampling (Glaser & Strauss): select cases based on developing theory, often focusing on atypical cases to generate theory.

  • Reliability and validity in quantitative surveys:

    • Reliability: whether repeating the study yields the same results; replication enhances reliability; questionnaires designed well tend to produce stable results; systematic data collection reduces interpretive variation.

    • Validity: whether the methods measure what they intend to measure; validity and reliability do not always align (e.g., truthful responses on sensitive topics may be reliable but not valid).

  • Data types in quantitative research:

    • Primary data: produced by researchers (surveys, interviews, observations, experiments).

    • Secondary data: produced by others (official statistics, historical documents, government reports, media data).

  • Strengths and limitations of quantitative methods in education:

    • Strengths: ability to analyze large samples; statistical testing; potential generalizability; replicability.

    • Limitations: may overlook meanings, motives, and contextual factors; potential for measurement error; operationalization can distort complex social realities.

  • Conceptual issues related to data:

    • Construct validity: how well a measure captures the intended concept (e.g., crime statistics measure crimes recorded by police, not all crime).

    • Ecological validity: whether findings reflect natural behavior outside laboratory settings.

    • The Hawthorne effect and observer effects in observational components of quantitative research: the presence of researchers can alter behavior.

  • Notable quantitative educational studies and instances:

    • Longitudinal Study of Young People in England (started 2004) with over 15{,}000 participants initially; annual interviews.

    • The British Crime Survey (BCS) and Crime Survey for England and Wales (CSEW) as longitudinal or cross-sectional crime data sources.

    • Rosenthal & Jacobson (1968) discussed in the qualitative/experimental sections (labelling in education) to illustrate issues with causality and measurement.

  • Experimental methods in sociology (education context):

    • Common in natural sciences; less common in sociology due to ethical, practical, and validity concerns (e.g., lab settings cannot capture long-term social processes; Hawthorne effect; ethical constraints in schools and youth studies).

    • Field experiments (e.g., Rosenthal & Jacobson-type interventions) face access and ethical issues; replication challenges often occur, leading to debates about reliability and validity.

2.4 Qualitative Research Methods

  • Core belief: qualitative research aims to understand social life from the inside, focusing on meanings, motives, emotions, and social processes.

  • Forms of qualitative research include:

    • Observational studies (ethnography): intensive study of a group by observing daily life; can be participant (the researcher joins in) or non-participant; overt (group knows they are being studied) or covert (researcher hides their role).

    • Informal or unstructured interviews: open-ended conversations that explore respondents’ views in depth.

    • Focus groups: groups discuss a topic under researcher guidance; responses are jointly constructed.

    • Other qualitative methods include video/audio recordings and in-depth diaries.

  • Observational research: key distinctions

    • Participant vs non-participant observation:

    • Participant: researcher joins the group, may influence behavior; can yield deeper insights but risks going ‘native’ or losing objectivity.

    • Non-participant: observer watches without joining; less risk of bias but may yield shallower insights.

    • Overt vs covert observation:

    • Overt: group is aware of the research; ethical and practical benefits (consent, trust) but may alter behavior (Hawthorne effect).

    • Covert: researcher hides involvement; offers access to authentic behavior but raises ethical concerns about deception and consent.

  • The Chicago School and participant observation

    • Emphasis on seeing social life from subjects’ points of view; link to symbolic interactionism; researcher studies social meaning through participation and observation.

  • Advantages of qualitative observation

    • Rich, naturalistic data; ability to observe processes over time; potential to generate new theories and insights; can capture meanings and motives not accessible via questionnaires.

  • Disadvantages and challenges

    • Time-consuming and expensive; access issues; reactivity (observer effect); potential bias from the researcher; problems with reliability and replicability; generalizability limitations.

  • Ethnography in education: examples

    • Mac an Ghaill’s ethnographies of inner-city schools among African Caribbean and Asian minority groups; shift from cultural deficit explanations to racism-centered explanations; importance of Black perspectives.

  • Qualitative interviewing

    • Semi-structured vs unstructured vs fully structured; collaborative interviewing (Oakley) emphasizes rapport and mutual benefit; aggressive interviewing (Becker) can reveal sensitive views but risks ethical issues.

  • Focus groups in education

    • Useful for exploring group norms, attitudes, and shared meanings; risks include domination by certain participants and potential pressure on quieter members.

  • Ethical and theoretical issues in qualitative research

    • Gaining access and informed consent; confidentiality; potential harm to participants; staying objective vs researcher’s involvement; issues about representation and bias; potential ‘going native’ risk.

  • Hawthorne effect in classroom observations

    • The presence of the observer can alter how teachers and pupils behave; researchers must consider this when interpreting findings.

2.5 Asking Questions: Questionnaires and Interviews

  • Questionnaires: a key quantitative tool that can reach many respondents with minimal direct researcher involvement

    • Advantages: broad reach, relatively low cost, quick data collection, ability to generate statistical data, replicable with fixed questions, useful for testing theories.

    • Disadvantages: limited depth, potential lack of nuance for complex issues; risk of misinterpretation of questions; potential for low response rates and non-representative samples; not ideal for exploring meanings or motives.

    • Types of questions:

    • Closed questions: fixed responses (e.g., yes/no, scales); easy to code and analyze; good for reliability but limited for depth.

    • Open-ended questions: respondents write or describe in their own words; rich qualitative data but harder to code and analyze; favored by interpretivists.

    • Administration modes and trade-offs:

    • Face-to-face: higher response rates, clarifications possible; more expensive and time-consuming; potential interviewer bias.

    • Postal: cheaper, broader geographic reach; potentially low response rate; risk of biased samples.

    • Telephone: decent response rates; interviewer presence can influence answers; limited to those with phones.

    • Internet: cost-effective and broad reach; digital divide concerns; data quality varies.

  • Interview methods: flexible data collection that can yield rich information

    • Structured interviews: identical questions and order; easier to compare and analyze statistically; favored by positivists for replicability.

    • Semi-structured interviews: pre-planned but flexible questioning; balance between comparability and depth; common in education studies.

    • Unstructured interviews: open-ended, exploratory conversations; fullest depth; favored by interpretivists for understanding meanings and motives; harder to compare across respondents.

  • Interviewer effects and bias

    • Interviewer characteristics (age, ethnicity, gender, appearance) can influence responses.

    • Leading questions and interviewer tone can bias answers.

    • Interviewer bias can be reduced by careful training and standardized procedures, but cannot be eliminated entirely.

  • Group vs individual interviews

    • Group interviews (focus groups) allow interaction and idea generation but may be dominated by certain voices; individual interviews reduce peer influence but lack group dynamics.

  • Notable qualitative interviewing styles and contributions

    • Becke’s aggressive interviewing to reveal hidden attitudes; Oakley’s collaborative interviewing emphasises ethical engagement and participant involvement; Becker’s challenging questioning approach used with Chicago school teachers to uncover hidden views.

  • Coding and data analysis in interview data

    • Open-ended responses often require coding to identify themes; coding helps convert qualitative data into analyzable categories; interpretivists caution against imposing researcher’s categories; reliability can be aided by triangulation and transparent coding schemes.

  • Ethical considerations in interviewing

    • Ensuring consent, protecting confidentiality, minimizing harm; especially with vulnerable groups (pupils, minors); the need to balance research aims with participants’ welfare; confidentiality may override disclosure duties in sensitive contexts.

  • Example study: Stephen Frosh et al. (2002) Youth Lifestyles Study

    • Used group interviews and informal interviews to investigate masculinity among boys; included both qualitative and quantitative data; questions covered identity, ethnicity, and social experiences; demonstrated mixed-methods potential within qualitative-focused research.

  • Focus on research in education: Stephen Frosh et al.; Stephen Frosh’s qualitative interviews on masculinity; Frosh’s design showed structured yet exploratory inquiry into youths’ conceptions of masculinity and its educational implications.

  • Ethical and practical issues in interviewing teachers and pupils

    • Teachers often operate under professional scrutiny; interview data can affect careers; children have limited ability to understand and respond to questions; consent and DBS checks; timing and access considerations in schools.

  • The “PARENTS AND MATHEMATICALLY GIFTED CHILDREN” study (Brenda Bicknel, 2014)

    • Unstructured questions and interviews with parents; 15 mathematically gifted children; 23 questions; parent responses rated on a 5-point Likert-type scale across categories: Motivator, Resource provider, Monitor, Maths content advisor, Maths learning counsellor.

    • Questions focus on parental involvement in mathematics education and home supports; analysis involves operationalization of concepts and coding of responses for reliability.

  • Evaluative questions for students to engage with interview methods

    • Students are asked to compare types of questioning, discuss reliability and validity, and reflect on ethical considerations (e.g., with head teachers, parents, and pupils).

2.6 Secondary Sources of Data

  • What are secondary sources?

    • Data produced by others, used by researchers to answer new questions; can be quantitative, qualitative, or mixed; may be public or private; can include official statistics, historical documents, media content, diaries, letters, and online content.

  • Reasons for using secondary sources

    • Saves time and money; data already exists; supports analysis of long-term trends; enables study of past societies where primary data cannot be collected; access data that researchers cannot gather themselves ( 규모, scope).

  • Problems and limitations of secondary sources

    • Source bias: the original creator may have had a specific purpose; data may be selective or framed to support a particular view; classifying categories may not align with sociologists’ theories; definitions and categories may change over time (e.g., poverty, unemployment);

    • Data quality and methodological limitations: original data may lack rigor; sampling frames and measurement may not align with researchers’ needs; some statistics are crude and may misrepresent complex social phenomena.

  • Types of secondary data

    • Quantitative examples: official statistics; census data; government reports; labour force surveys; historical datasets.

    • Qualitative examples: official documents (policies, minutes); private documents (emails, diaries); life documents (letters, biographies); novels and autobiographies; media content; private letters and diaries; interviews and speeches.

  • Official statistics and their debates

    • Positivist view: official statistics can be valid and reliable social facts, used to identify correlations and possible laws (Durkheim’s approach to suicide data).

    • Interpretivist view: official statistics are interpretations produced by state agencies; data may be constructed via categorization and normalization; some events may be under/over-counted; e.g., crime statistics can reflect policing practices and definitions rather than pure social reality.

    • Radical and feminist critiques: statistics may reflect power inequalities; governments may define categories to minimize visible problem magnitudes; crimes of the powerful are underreported, while crimes of the poor are intensified in statistics.

  • Meta-analysis and secondary data synthesis

    • Meta-analysis aggregates multiple studies to enhance statistical power and generalizability; challenges include heterogeneity of studies and comparability of variables.

  • Qualitative secondary sources

    • Documents, transcripts, life documents, diaries, newspapers, film and TV; historical sources; public documents versus private documents; issues of representativeness and authenticity.

  • The internet and secondary data

    • The internet provides vast secondary data, including official reports, discussions, and user-generated content; advantages include breadth and accessibility; disadvantages include questions about reliability, credibility, and representativeness; need careful source evaluation.

  • Media content analysis as secondary data

    • Content analysis can be quantitative (counting occurrences, coding for themes) or qualitative (thematic or textual analysis); advantages include accessibility and low cost; disadvantages include subjectivity in interpretation and potential bias in selection of material; examples include Glasgow Media Group analyses on media bias.

  • Practical ethics with secondary data

    • Public domain data are typically less ethically fraught; private documents require consent and careful consideration of confidentiality and potential harm; researchers must assess why documents were produced and their intended audience.

  • Institutional example: The Equality and Human Rights Commission (EHRC) report How Fair is Britain?

    • Relied largely on existing studies and secondary sources to assess equal opportunities across health, justice, employment, and education; included data from Youth Cohort Study, ONS, HEA, and Department for Education; focused on adult lifelong learning participation using Labour Force Survey items.

    • Questions for study include: why rely on existing studies; strengths and weaknesses of adult education questions; range of inequalities addressed; potential improvements with primary data.

Key Concepts in 2.6

  • Meta-analysis: synthesis of multiple studies to increase statistical power and generalizability; issues: comparability of variables; heterogeneity across studies.

  • Content analysis (mass media): systematic analysis of media content; can be quantitative (counting occurrences) or qualitative (thematic analysis); main advantage: cheap, accessible, good for tracking biases; disadvantage: interpretation can be subjective.

  • Primary vs Secondary data: Primary data are data you collect yourself; secondary data are data collected by others; researchers must assess limitations and bias.

  • The internet and online data: mass data available online; critical assessment of credibility and authority of sources; the open nature of online content requires caution about reliability.

  • Public vs private documents: public documents are more readily accessible; private documents require consent and raise additional ethical issues about confidentiality and sensitivity.

  • GCSE league tables and value-added metrics: used to measure school performance, but controversial due to sampling, background factors, and potential manipulation by schools; contextual value-added metrics attempt to adjust for student background but have limitations.

Connections Across the Chapter

  • The chapter as a whole emphasizes how research design must balance practicalities, ethics, and theoretical commitments to produce credible, useful knowledge in education.

  • It links methodology to theory (positivist vs interpretivist) and to policy/real-world implications (funding, accountability, and educational equity).

  • It stresses that no single method provides all the answers; triangulation and mixed methods offer robust ways to approach complex educational questions.

  • It highlights specific real-world studies and contexts (e.g., Reay et al. on higher education choices; Mac an Ghaill on ethnography in schools; Frosh et al. on masculinity; Big Brother as a social-inquiry example) to illustrate methodological choices and their consequences.

Quick Reference: Key Terms and Concepts

  • Reliability: repeatability of results under the same conditions; replication improves reliability.

  • Validity: truthfulness of findings; different forms include construct validity and ecological validity.

  • Representativeness: sample reflects the population; generalisability concerns applying results beyond the sample.

  • Objectivity: minimizing researcher bias; acknowledging unavoidable subjectivity while striving for credible conclusions.

  • Positivism: emphasis on objective, measurable social facts; use of quantitative methods; search for laws and correlations.

  • Interpretivism: emphasis on meanings, motives, and interpretations; use of qualitative methods; bottom-up understanding.

  • Triangulation: using multiple methods to study the same phenomenon to cross-check results.

  • Operationalization: turning abstract concepts into measurable indicators; coding open-ended responses into categories for analysis.

  • Covert vs overt observation: whether participants know they are being studied; ethical considerations.

  • Gatekeepers: people who control access to groups or settings; important for gaining entry.

  • Meta-analysis: statistical combination of results from multiple studies.

  • Content analysis: systematic analysis of media content; can be quantitative or qualitative.

  • Value-added metrics: attempts to adjust for student background when judging school performance.

Notable Examples to Recall

  • Reay et al. (2010–2011): 502 questionnaires + 53 interviews; ethnicity/self-definition issues; use of Registrar-General categories; some sampling representativeness concerns.

  • Mac an Ghaill (1990s): ethnography in inner-city schools; shift from cultural deficit to racism-centered interpretation; emphasis on Black perspectives.

  • Frosh et al. (2002): qualitative group and informal interviews with 78 boys; masculinity and schooling.

  • Wilis (1977): Paul Willis study of anti-school boys using observation and group interviews.

  • Stephen Frosh et al. (2002) Youth Lifestyles Study: both qualitative and quantitative elements; group interviews and quantitative survey components.

  • Venkatesh (2009): Gang leader study; mixed methods with participant observation; ethical considerations around trust and illegal activity.

  • The Equality and Human Rights Commission (2011–2012): How Fair is Britain? relying on secondary sources and a mixture of public data sources.

  • Longitudinal Study of Young People in England: started in 2004; >15{,}000 initial participants; annual follow-ups; cost and attrition concerns.

Key Formulas and Numeric References (LaTeX)

  • Longitudinal study durations and sizes:

    • Longitudinal data up to 20 ext{ years}

    • Longitudinal Study of Young People in England: initial sample > 15{,}000

    • British Crime Survey frequency: ext{every } 2 ext{ years}

  • Case study samples and interview counts:

    • Reay et al.: nq = 502, ni = 53

    • Sullivan (2001) study: n = 465

    • Frosh et al. (2002): n = 78

    • Youth Lifestyles Survey (1998–1999): n = 4{,}800

  • Focus groups and qualitative samples:

    • Qualitative studies often use smaller samples; focus groups vary in size but typically involve several participants.

  • Various percentages:

    • YouGov sample: 50egin{cases} ext{ ext{% male}} \ 50 ext{% female} \ ext{oversampling of class A} \ ext{Black and minority groups ~} 12 ext{%} \ ext{school pupils in NZ sample context} \ ext{parents represented in sample} \ ext{design specifics vary} \
      ext{(approximate summary)}
      ext{Note: exact percentages vary by study; see case details.}

  • Notable quantitative data examples:

    • 4 grades in GCSE league tables (crude performance measure)
      ightarrow 4 ext{ grades}

    • 2,000 hours of video footage used in Educating Yorkshire case: 2{,}000 ext{ hours}$$

End of notes