.research methods :reliability and how to assess it

Question 1

.what is meant by reliability?

Answer 1

.measure of consistency

Question 2

.what are the two types of reliability?

Answer 2

.inter-observer
.test-retest

Question 3

.what is meant by inter-observer reliability?

Answer 3

.the extent to which there is consistency between 2 or more independent observers in the categorisation of behaviour in an observation

Question 4

.how can inter-observer reliability be assessed?

Answer 4

.2 or more observers use the same behavioural categories to independently tally the number of times they see a paticular behviour
.their scores are compared and correlated
.a co-efficient of +0.8 or greater is considered reliable

Question 5

.what is meant by test-retest reliability?

Answer 5

.the extent to which there is consistency in results when assessing the same person on 2 separate occasions with the same test

Question 6

.how can test-retest reliability be assessed?

Answer 6

.adminster the same test to the same person on different occasions
.scores are compared and correlated
.a co-efficient of +0.8 or greater is considered to be reliable