Reliability

Question 1

Inter observer reliability

Answer 1

Two or more observers, agree on behaviour categories, score same behaviour separately, compare results and if there is a 0.8 correlation then there is high IOR
(INTERNAL)

Question 2

Test re test reliability

Answer 2

Repeating an experiment again in a different time/location/setting to see if you get similar results
0.8 correlation high TRR
(EXTERNAL)

Question 3

Reliability

Answer 3

Measuring variables consistently and getting the same results

Question 4

External reliability

Answer 4

The consistency of a procedure from one occasion to the next

Question 5

Internal reliability

Answer 5

The consistency of a measure within itself eg questions on a questionnaire all test the same phenomenon

Question 6

How to improve the reliability of an experiment

Answer 6

Same standardised procedure
Same materials
Same location

Question 7

How to improve reliability of observations

Answer 7

Same behavioural categories (agreed)
(Operationalised)
Same context
Same researchers

Question 8

How to improve reliability of self report (questionnaires and interviews)

Answer 8

Same questions and instructions
Same delivery
Same amount of space
Same order
Same font colour size