Reliability 22

Question 1

What is reliability?

Answer 1

Refers to how consistent a measuring device is- this includes psychological tests or observations which assess behaviour

Question 2

What is test-retest reliability?

Answer 2

Method of assessing the reliability of a questionnaire or psychological test by assessing the same person on two separate occasions. This shows to what extent the test (or other measure) produces the same answers(consistent or reliable)

Question 3

What is inter-observer reliability?

Answer 3

Extent to which there is agreement between two or more observers involved in observations of a behaviour.

Question 4

How do you measure inter-observer reliability?

Answer 4

correlating the observations of two or more observers. A general rule is that if (total number of agreements)/ (total number of observations)> +.80, the data has high inter-observer reliability