Which type of validity is most difficult to establish?
a. Content validity
b. Construct validity
c. Predictive validity
d. Concurrent validity
ANS: B
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A Face and expert validity are relatively easy to establish.
B Construct validity includes many types of validity; it is complex and tends to take much more time to establish than other types of validity.
C Predictive validity is relatively easy to establish.
D Concurrent validity is relatively easy to establish.
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