Predictive Validity Estimates of College and Graduate School Cognitive Ability

question 48

True/False

Predictive validity estimates of college and graduate school cognitive ability tests tend to range from the high .3s to the low .6s.

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Definitions:

Random Variables

Variables whose values depend on outcomes of a stochastic (random) phenomenon.

Nature

The intrinsic physical and material world all around us, not made or caused by humankind.

Normal Random Variable

A variable that follows a normal distribution, characterized by its mean and standard deviation.

Z-score

A numerical measurement that describes a value's relationship to the mean of a group of values, measured in terms of standard deviations from the mean.