AS Sociology: Research Methods Unit Overview Topic Confidence before revision Confidence after revision Key concepts and Choice of Method Positivism vs Interpretivism Positivists Interpretivists Three key concepts: reliability Three key concepts: Representativeness Three key concepts: Validity Primary and secondary data Choice of research method: Methodological preference Practical factors Ethical factors Evaluation: which factor is most important Evaluation: which factor is the most important? Choice of topic Experiments What are experiments? Laboratory experiments Problems with laboratory experiments? Field Experiments Field experiments: Advantages Field experiments: Disadvantages Surveys and Sampling Social surveys Conducting a survey Sampling Samples and representiveness Types of sample: Random sampling Types of sample: Systematic of quasi-random sampling Types of sample: Stratified sampling Types of sampling: Quota sampling Questionnaires What are questionnaires? Why do positivists use questionnaires Advantages: Practical advantages Advantages: Reliability Advantages: Hypothesis testing Advantages: Detachment and objectivity Advantages: Representativeness Disadvantages: Practical problems Disadvantages: Response rate Disadvantages: Inflexibility Disadvantages: Detachment Disadvantages: Lying, forgetting and ‘right answerism Disadvantages: Imposing the researcher’s meanings Interviews Types of interviews Structured interviews Why do positivists use structured interviews? Advantages of structured interviews? Disadvantages of structured interviews? Evaluation: how useful are structured interviews? Unstructured interviews Why do interpretivists use unstructured interviews? Validity Disadvantages of unstructured interviews Evaluation: How useful are unstructured interviews? Observation Types of observation Participant observation Why do interpretivists use PO? Advantages of participant observation: Validity Advantages of participant observation: other advantages Disadvantages : unreliable and unrepresentativeness Disadvantages: Problems with validity Ethical issues Practical problems Overt and covert PO compared Evaluation: how useful is PO? Structured observation Why do positivists use structured observation? Advantages and disadvantages Official Statistics What are official statistics? Why do positivists use official statistics? Advantages of official statistics Problems with official statistics Evaluation: how useful are official statistics? Documents What are documents? Why do interpretivists use documents? Personal documents Personal documents: advantages Personal documents: disadvantages Public documents Historical documents Content analysis Testing the usefulness of documents Evaluation: how useful are documents?