Taak 3: Validity

Question 1

What is a valid test?

Answer 1

If a test mesures what needs to be measured.
The extent to which a test fulfils its purpose.

Question 2

Name 4 types of validity.

Answer 2

• Construct validity
• Content validity
• Face validity
• Criterion validity

Question 3

What is the difference between construct validity and content validity?

Answer 3

Construct validity evaluates the extent to which a measurement instrument measures the intended construct accurately, while content validity assesses the extent to which the items or questions adequately represent the content domain of the construct.

Question 4

What does criterion validity demonstrate?

Answer 4

If a test score is a good predictor of non-test behaviour or outcome criteria. Prediction can focus on past, the same moment or on the future. (Cito score test).

Question 5

What is face validity?

Answer 5

If items seem to be related to the purpose of the test at first sight.

Question 6

What can decrease validity?

Answer 6

• Specific questions
• Questions that can be interpretate
• Too difficult questions
• Construct underrepresentation
• Construct-irrelevant variance

Question 7

What hypothis is/are right according to the Mosserman & Hendricks artikle?
1. the larger the discrepancy between self-report and (averaged) informants’ reports on personality, the more (personality) pathology in terms of symptoms and DSM-IV diagnoses is found; and
2. The larger the discrepancy between self-report and (averaged) informants’ reports, the more a positive therapy outcome, defined as a reduction in symptoms and an improvement in functioning, will be limited.

A. Both hypothesis are stated right
B. Only 1 is right
C. Only 2 is right
D. Both hypothesis are stated wrong

Answer 7

B