The Work Preference Inventory (WPI)is designed to assess two characteristics.Factor analysis indicates that two factors are in fact present on the test and correspond to the two types of motivation postulated by the test developers.Given these facts,it seems reasonable to conclude that the test has documented evidence of its

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The fact that factor analysis reveals two distinct factors on the test which correspond to the two types of motivation being measured means that the test has construct validity, or the ability to accurately measure the construct it purports to measure. Internal consistency relates to the consistency of responses within the test, test-retest reliability refers to consistency of scores over time, and face validity refers to the test's superficial appearance of measuring what it claims to measure, none of which are directly indicated by the given information about the WPI.

The Work Preference Inventory (WPI)is Designed to Assess Two Characteristics