Consider a 2 X 2 Experiment Design in Which Both

question 13

Multiple Choice

Consider a 2 x 2 experiment design in which both study time and sleep time have been manipulated and learning has been measured. If a main effect of sleep time is found, this can be interpreted to mean which of the following?

• A) Sleep time affects learning, controlling for study time.
• B) Study time has no effect on learning.
• C) Study time and sleep time both influence learning.
• D) The interaction between study time and sleep time is not significant.

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Definitions:

Burden of Proof

The obligation to prove one's assertion or the validity of one's claim in a legal or regulatory context.

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The selection of particular words or phrases in communication, significant in conveying the desired message accurately and effectively.