A) $P _ { 4 } \text { and } Q _ { 2 }$

question 187

Multiple Choice

• A) \(P _ { 4 } \text { and } Q _ { 2 }\)
• B) \(P _ { 3 } \text { and } Q _ { 2 }\)
• C) \(P _ { 2 } \text { and } Q _ { 2 } \text {. }\)
• D) \(P _ { 1 } \text { and } Q _ { 2 } \text {. }\)

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Definitions:

Interaction Effect

A situation in statistical analysis where the effect of one independent variable on the dependent variable is different at different levels of another independent variable.

Main Effect

The effect of an independent variable on a dependent variable, isolated from other variables in an experimental study.

Simple Effect

The effect of one independent variable at a particular level of another independent variable in a factorial design.

Factorial Research

Factorial research involves experiments that study the effects of more than one independent variable at a time on a dependent variable.