improving reliability

Question 1

how to improve reliability of questionaires

Answer 1

-identify the questions that have the biggest impact upon reliability and adjust them
-rewrite them in a manner that reduces potential for them to be incorrectly interpreted e.g. open to closed question

Question 2

how to improve reliability of interviews

Answer 2

-change the interview from unstructured to structured to reduce researcher bias
-use the same interviewer each time to reduce researcher bias and if not then training should be provided

Question 3

how to improve reliability of experiments

Answer 3

-take more control over extraneous variables so they don’t become confounding
-use a laboratory experiment
-use standardised procedures

Question 4

how to improve the reliability of observations

Answer 4

-operationalising behavioural categories so they’re clear and specific and objective
-no overlap between categories so no personal interpretation