Are Canadians Getting Fatter? Researchers Interested in This Question Take

question 81

Multiple Choice

Are Canadians getting fatter? Researchers interested in this question take a random sample of 500 people and record an average weight of 190 pounds.Ten years ago,the average weight was 185 pounds.

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Definitions:

Criterion Measure

A standard or benchmark against which the validity of a test score or the performance of an individual can be evaluated.

Grade Point Average

A numerical calculation representing the average value of the accumulated final grades earned in courses over time.

Item Analysis

A series of statistical tests and procedures that can be used to assess for homogeneity in a test.

Construct Validity

The degree to which a test accurately measures the theoretical construct or concept it is intended to measure.