AS Psychology Self-report: Evaluation
AS Psychology By the end of this lesson you should... Be able to evaluate the strengths ad weaknesses of self-report techniques Be able to describe ways of improving reliability and validity in self-report techniques
AS Psychology Reliability Use the rating scale you designed previously to measure attitudes to Psychology Find the person you asked before and conduct the test again Is your rating scale reliable?
AS Psychology Reliability – Is it consistent? Inter-rater reliability – keep it the same Test-retest method – same test several times Improving reliability – check question clarity
AS Psychology Validity – does it measure what it’s supposed to? Concurrent validity – compare to an earlier test Face validity – does it look like it should measure what you intend to measure? Improving validity – change some questions
AS Psychology Validity Does your rating scale have face validity? How could you assess it’s concurrent validity?
AS Psychology Self-report: Recap on techniques Questionnaire Structured interview Unstructured or Semi-structured interview Rating scales (with closed questions) & open questions
AS Psychology Prepare a short presentation on the Strengths and Weaknesses of ONE of the following: Questionnaire Structured interview Unstructured or Semi-structured interview Rating scales (with closed questions) & open questions USE AN EXAMPLE TO ILLUSTRATE YOUR PRESENTATION
Self – report techniques: Questionnaire StrengthsWeaknesses
Self – report techniques: Structured interview StrengthsWeaknesses
Self – report techniques: Semi-structured or unstructured interview StrengthsWeaknesses
Self – report techniques: Closed questions / Open questions StrengthsWeaknesses Closed scales Open questions
AS Psychology On your own… Answer questions 1 to 4 on page 12
AS Psychology Round-up Think of a question for someone in the group…
AS Psychology Homework! Design a questionnaire, collect and analyse data Deadline is Friday 8 th October Use the Homework Assessment sheet on the WIKI to guide you READ PAGES