5 Questions
Which of the following statements about factorial designs is true?
Factorial designs can have more than two independent variables.
Which of the following is an example of a main effect in a factorial design?
The effect of exercise intensity and duration on depression.
In a 2 x 3 x 3 factorial design, how many treatment conditions are there?
18
What is the purpose of performing a statistical test in a factorial design?
To determine if there are any main effects.
Which of the following is not true about factorial designs?
Factorial designs can only have two treatment conditions.
Study Notes
Factorial Designs
- A factorial design is a type of experimental design that involves two or more factors, each with multiple levels.
- The purpose of performing a statistical test in a factorial design is to determine the significance of the main effects and interactions between factors.
Main Effects in Factorial Designs
- A main effect in a factorial design refers to the effect of one factor on the response variable, averaging across the levels of the other factors.
Treatment Conditions in Factorial Designs
- In a 2 x 3 x 3 factorial design, there are 2 × 3 × 3 = 18 treatment conditions.
Characteristics of Factorial Designs
- Factorial designs allow for the estimation of main effects and interactions between factors.
- Factorial designs are useful for studying the joint effects of multiple factors on a response variable.
Test your knowledge on factorial designs and their components, including independent variables, dependent variables, and main effects. This quiz covers the basics of factorial designs and their applications in psychological research.
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