Reliability Flashcards
What is reliability?
Refers to how consistent the findings from an investigation are (same results keep being produced)
Ways of assessing reliability?
Test-retest
Inter-observer reliability
How to improve reliability of questionnaires?
o Closed v Open questions
o Closed questions are less ambiguous
How to improve reliability of interviews?
o No leading questions
o Structured interviews make it easier to avoid this
How to improve reliability of experiments?
o Strict control
o Replication of a method
How to improve reliability of observations?
o Making sure behaviour categories have been properly operationalised
What is test-retest?
Assessing the same person on two separate occasions, shows the extent to which the test produces the same answers
What is inter-observer reliability?
The extent to which there is agreement between two or more observers involved in observations of behaviour
