Validity Definitions

Question 1

List of Validity types

Answer 1

• Internal validity - how well IV measures DV
• Face validity - Appears good/not
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• Criterion validity - If DV relates to other variables
• Concurrent validity - test-retest
• Construct validity - How appropriate the operationalising is
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• Extrernal validity - Issues beyond the investigation
• Ecological validity - applicable to a natural environment
• Population validity - if the sample was generalisable

Question 2

Internal Validity

Answer 2

How sure it is the IV Change causes the DV Change

Question 3

Face Validity

Answer 3

If it Appears at Face Value to Test what it Claims To

Question 4

Criterion Validity

Answer 4

Whether something measured relates to another Related Variable

Question 5

Concurrent Validity

Answer 5

Type of Criterion Validity
Compares Phenomena Test with Other Tests on the Same Individual and Phenomena

Question 6

Construct Validity

Answer 6

Measure of how well the Test Measures the Concept it is Measuring

Question 7

External Validity

Answer 7

• Issues Beyond the Investigation
• Generalisable
• Ethnocentric
• Ecologically Valid

Question 8

Ecological Validity

Answer 8

Whether a Measure/Experiment is in a Natural Situation/Environment or not

Question 9

Population Validity

Answer 9

Whether it can be Generalised to the Population the Sample was taken out of