The Power of a Statistical Test Is

question 48

Multiple Choice

The power of a statistical test is

• A) the probability of not rejecting H₀ when it is false.
• B) the probability of rejecting H₀ when it is true.
• C) the probability of not rejecting H₀ when it is true.
• D) the probability of rejecting H₀ when it is false.

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Definitions:

Operationalization

The process of defining a fuzzy concept so as to make the concept measurable and to understand it in terms of empirical observations.

Hawthorne Effect

The effect that researchers themselves may have on an experimental group. The effect is named after an organizational study in which employees were found to be responding to the perceived interest of management rather than to the experimental condition itself.

External Validity

The extent to which the results of a study can be generalized to other situations, populations, or time periods beyond the study itself.

Diffusion

In experimental design, the problem of a treatment effect spreading from group to group as people communicate.