A test developer creates a new instrument to measure psychotic tendencies. She correlates this instrument with an existing test that measures psychotic tendencies that has been shown to be valid. This type of validity is called:
A) experimental design validity.
B) factor analysis validity.
C) convergent validity.
D) criterion-related validity.
E) discriminant validity.

Question

Quizplus · Accepted Answer

Convergent validity is demonstrated when a test correlates well with measures of the same construct, indicating that the test is measuring what it is supposed to measure. In this case, correlating a new instrument for measuring psychotic tendencies with an existing, validated instrument for the same construct is an example of assessing convergent validity.

A Test Developer Creates a New Instrument to Measure Psychotic