Validity

Question 1

Validity

Answer 1

Whether it measures what it is supposed to measure

Question 2

Types of validity

6x

Answer 2

• Internal
• External
• Ecological
• Temporal
• Concurrent
• Face

Question 3

Internal validity

Answer 3

Effects observed in an experiment are due to the manipulation of the IV and not another factor

Question 4

External validity

Answer 4

Whether findings can be generalised to other contexts

Question 5

Ecological validity

Answer 5

Whether findings can be generalised to everyday life

Question 6

Temporal validity

Answer 6

Whether findings from a particular study or concepts within a particular theory hold true over time

Question 7

Face validity

Answer 7

Whether study appears to measure what it is supposed to measure

Question 8

Concurrent validity

Answer 8

The extent to which a psychological measure relates to annexisting similar measure

Question 9

Ways of assessing face validity

Answer 9

Passing it to an expert to check

Question 10

Wats of assessing concurrent validity

Answer 10

Compare findings of new findings wiht findings of an existing study
Correlations exceeds +0.8, it has high concurrent validity

Question 11

Improving validity of experiments

Answer 11

• Control group - whether changes in dv is due to effect of iv
• Standardised procedures - minimises impact of PP reactivity and investigator effects on the validity of the outcome
• Use of single and double blind for same aim

Question 12

Improving validity of questionnaires

Answer 12

• Lie scale - assess consistency of a respondant’s response and control for the effects of social desireability bias
• Assuring data submitted is anonymous

Question 13

Improving validity of observations

Answer 13

• Covert observations - natural and authentic
• Behavioural categories - too broad/overlapping/ambiguous may have negative impact on validity of data collected

Question 14

Improving validity of qualitative research

Answer 14

Even though high ecological validity has to demonstrate interprative validity of their conclusions
Exetnt to which researchers interpretations of even matches that od their pps

Demonstrated through:

• Coherence of the researchers narrative and the the inclusions of direct quotes from PPs within the report
• Triangulation - use of a number of different sources as evidence e.g interviews, personal diaries, observations etc