Reliability

Question 1

Reliability over time

Answer 1

Refers to if tests were repeated, would there be similar results

Question 2

Reliability in design

Answer 2

Refers to standardised procedure and instruction

Question 3

Inter rated reliability

Answer 3

Reliability between observers happens when behaviour is quantified in the same way

Question 4

Two ways of checking for reliability

Answer 4

Test-retest and inter rated reliability

Question 5

Test retest

Answer 5

Measure strength of similarity in scores. Correlation of +0.80 suggests good reliability

Question 6

Improving reliability in a questionnaire

Answer 6

Closed/ clear worded questions so everyone understands it in the same way meaning it’s easier to analyse

Question 7

Improving reliability in interviews

Answer 7

Structured questions, training interviewers

Question 8

Improving reliability in experiment

Answer 8

Lab experiment, control over variables, standardised instructions and procedure

Question 9

Improving reliability in observation

Answer 9

Train observers to know different behavioural categories