The Main Reason to Use a 2 X 2 Factorial

question 26

Multiple Choice

The main reason to use a 2 x 2 factorial design instead of two separate experiments (with one IV per experiment) is to

• A) find the main effects of each independent variable.
• B) find an interaction between the independent variables.
• C) save time.
• D) There is no good reason to use a 2 x 2 design if you can conduct separate experiments instead.

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Definitions:

Affirming The Consequent

An invalid mixed hypothetical syllogism in which the categorical premise affirms the consequent of the hypothetical premise and the conclusion affirms the antecedent.

Explanandum

The phenomenon or event that is to be explained in a scientific or philosophical inquiry.

Hypothesis

A proposed explanation for a phenomenon made as a starting point for further investigation, testing, or experimentation.

Plausible

Seeming reasonable or probable; believable or credible.