Comparing the average performance of the initial WAIS standardization sample with the average performance of the most recent WAIS standardization sample provides convincing evidence of

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Quizplus · Accepted Answer

The Flynn effect refers to the phenomenon of increasing IQ scores over time, which has been observed across many standardized tests including the WAIS. Therefore, comparing the average performance of the initial WAIS standardization sample with the most recent sample provides convincing evidence of the Flynn effect. Content validity refers to the extent to which a test measures what it is supposed to measure, and the g factor refers to the general intelligence factor that underlies performance on IQ tests. Intrinsic motivation refers to the drive to perform a task for its own sake, rather than for external rewards or pressures, which is not directly related to the comparison of different standardization samples.

Comparing the Average Performance of the Initial WAIS Standardization Sample