A Scientist Manipulates Both the Number of People in the Group

question 4

Multiple Choice

A scientist manipulates both the number of people in the group and the type of task the group is working on in the same experiment. He predicts that both variables together influence the dependent variable, such that the influence of type of task is different in the group sizes. Which of the following has the scientist predicted?

• A) An interaction.
• B) Statistical significance.
• C) An effect size.
• D) A one-way analysis.

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Definitions:

Cervical Vertebrae

The vertebrae of the neck region, forming the upper part of the spinal column and providing support and mobility to the head.

Ultimate Explanation

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Migration

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Circadian Rhythm

An internal process that regulates the sleep-wake cycle and repeats roughly every 24 hours.