Investigators Are Most Likely to Use the Case History Method

question 141

Multiple Choice

Investigators are most likely to use the case history method when they study

• A) the effects of a drug on behavior.
• B) the frequency of certain attitudes in a large population.
• C) a rare behavior or an unusual person.
• D) two or more independent variables.

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Definitions:

Equality

The state or quality of being identical, equal, or equivalent in value, measure, significance, etc.

Degrees of Freedom

The number of independent values or quantities that can be assigned to a statistical distribution, minus the number of parameters estimated.

Chi-Square Distribution

A statistical distribution that represents the distribution of the sum of the squares of k independent standard normal random variables, often used in hypothesis testing.

Single Population Variance

A measure of the variance of a set of values in a single group or population.