Psychologist Dinah Moe Asks Each Individual to Take Several Tests

question 110

Multiple Choice

Psychologist Dinah Moe asks each individual to take several tests of specialized intellectual abilities, such as arithmetic, mechanical ability, logical reasoning, and spatial reasoning. Then she measures the correlation between performance on one test and performance on another test. What is she probably trying to determine?

• A) whether or not Spearman's concept of a "g" factor is correct
• B) whether or not IQ tests have high utility
• C) the extent to which heredity and environment influence intelligence
• D) whether or not Cattell's concept of fluid and crystallized intelligence is correct

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Definitions:

Nocebo

A detrimental health effect resulting from the negative expectations of the patient towards a treatment or medication.

Dependent Variable

In an experiment or clinical trial, the variable that represents the effect or outcome of interest.

Physical Age

A measure of how old a person is in years, as opposed to biological or psychological age, which may differ based on health or mental state.

Physical Health

The overall condition of the body, including the absence of disease, fitness level, and physical functioning.