Ways to improve validity

Question 1

improving questionnaire validity

Answer 1

1. filler questions (reduce DC)
2. assure ppts are anonymous
3. assess consistency of responses (use lie scale)

Question 2

improving case study validity

Answer 2

1. conduct longitudinal study
2. respondent validation
3. triangulation (cross check using other methods)

Question 3

improving experiment validity

Answer 3

1. standardisation
2. operationalise IV + DV
3. control variables

Question 4

improving observation validity

Answer 4

1. control variables e.g. hawthorne effect