reliability Flashcards
1
Q
what is reliability
A
- how consistent a measuring device is
2
Q
what is test retest reliability
A
- administer the same questionnaire or test to the same people on different occasions
- shows to what extent the test produces the same answers
3
Q
what is inter-observer reliability
A
- agreement between two observers involved in measuring behaviour
4
Q
how do questionnaires improve reliability
A
- produces a low-test retest reliability may require components to be removed
- replace open questions with closed fixed alternatives
5
Q
how do interviews improve reliability
A
- all interviewers need to be properly trained
- cannot ask questions too leading
- need more structured interviews
- unstructured are more unreliable
6
Q
how do observations improve reliability
A
- behavioural categories have to be properly operationalised
- categories shouldn’t overlap
- observers may need further training
7
Q
how do experiments improve reliability
A
- procedures must be the same and consistent throughout
- have to have standardised procedures
