improving validity

Question 1

what are more valid: quant or qual methods and why

Answer 1

-qualitative
-depth and details associated with case studies and interviews better reflect the participants

Question 2

what validity are researchers able to demonstrate with qualitative methods

Answer 2

-the interpretive validity (the interpretation of events matches those of their participants)
-the interpretations we can make are more valid with qualitative as there’s more data

Question 3

how to improve the validity of questionnaires

Answer 3

-include a lie scale in the questions to assess consistency of responses
-also reduces effects of social desirability

Question 4

how is validity further enhanced beyond lie scales (using questionnaires)

Answer 4

-ensuring all pps responses are anonymous

Question 5

how can you improve the validity of observations

Answer 5

-observations with minimal input from the observer increases validity
-the pps behaviour is more likely to be natural and authentic
-ensure behavioural categories arent too broad, overlapping or ambigous

Question 6

how to improve the validity of experimental research

Answer 6

-using a control group
-procedures may be standardised
-use single/double blind procedures to reduce demand characteristics

Question 7

how does using a control group improve the validity of experimental research

Answer 7

-gives the experimenter a comparison for changes in DV that are due to the IV

Question 8

how to use internal validity as an evaluation

Answer 8

-is it lab? if so, high control and good internal validity, if not then criticise for lack of internal validity
-the tests conducted: did they really measure what they say or cld it b something else?
-mundane realism- did it replicate irl?

Question 9

how to use external validity as an evaluation

Answer 9

-is it a lab experiment? (low ecological validity)
-sample: one type of person? if so, low population validity
-how study was done- has society moved on? is it still relevent?