Validity

Question 1

Validity

Answer 1

Is it measuring what it intended to measure?

Question 2

External validity

Answer 2

Can the observed effect be generalised to all people and times

Question 3

Internal validity

Answer 3

Are the effects due to a manipulation of the IV

Question 4

Ecological validity

Answer 4

The extent in which the research is applicable and demonstrated in other settings

Question 5

Temporal validity

Answer 5

The ability to generalise the findings beyond the historical context

Question 6

Concurrent validity

Answer 6

The extent to which a psychological measure relates to an existing measure

Question 7

Face validity

Answer 7

The extent to which a questionnaire (etc) appears “on the face of it” to be measuring what it claims

Question 8

Raliability

Answer 8

The consistency of the measurements

Question 9

How to improve validity of a questionnaire?

Answer 9

• Make anonymous
• Incorporate a lie scale
• compare and remove ambiguous questions

Question 10

How to improve validity of experiments?

Answer 10

• use a control group
• standardised procedures
• double blind

Question 11

How to improve validity of an observation?

Answer 11

• covert
• ensure behaviour categories aren’t too broad
• pilot study