Self Report

• 2 types of self-report

  questionnaire and interview
• what data do open questions provide?

  qualitiative
• what data do closed questions provide?


  quantitative
• why do psychologists use questionnaires?

  as they can assess thoughts/feelings and can be used in an experiment
• +/- of questionnaires

  + quantitative data

  + cost-effective

  + less effort

  - response bias

  - social desirability bias
• 3 types of questionnaires

  - likert scales

  - rating scales

  - fixed choice option
• 3 types of interviews

  - structured

  - unstructured

  - semi-structured
• +/- of structured interviews


  + easy to replicate

  + reduces differences between interviewees

  - can't deviate from topic or elaborate points
• +/- of unstructured interviews

  + more flexibility

  - qualitative data

  - social desirability bias