What Does a Psychologist Usually Mean When She Says a Specific

question 273

Multiple Choice

What does a psychologist usually mean when she says a specific experimental result is 'significant'?

• A) The result reflects a large difference between the mean scores of one participant group and the mean scores of another.
• B) The result is important in a practical sense.
• C) The result will allow psychologists to support one theory over alternative theories.
• D) The result is unlikely to have occurred solely because of chance.

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Definitions:

Marginal Product

The supplementary production derived by adding one more unit of a particular input, with all else remaining constant.

Labor Hours

The amount of time workers spend on the job, often measured in hours per day, week, or year.

Returns to Scale

The speed at which production levels rise due to a corresponding rise in all contributing factors.

Labor Hours

The total hours of work put in by workers or employees during a specified period.