Exam 14: Two Too Many Factors: Factorial Analysis of Variancea Brief Introduction

Why do we use SPSS to calculate a factorial ANOVA?

In the factorial ANOVA, participants are tested only once.

Like the scatter plot in a correlation, one of the easiest ways to see the magnitude of an interaction (or the absence of one) in a factorial ANOVA is to plot the means.

In a factorial ANOVA, one of the null hypotheses might look like this: A) B) C) D)

If your main effects are significant, your interaction effects will also be significant in all cases.

In the main effect F₍₁,₁₂₎ = 5.25, p < .05, what does the symbol p stand for?

If your analysis notes that males in a weight loss study differ from females in the weight loss study in the amount of weight lost based on the type of weight loss program used, what type of effect is this called?

An interaction effect is a phenomenon where the effect of one independent variable on the dependent variable differs based on the level of a second independent variable.

An analysis that examines more than one dependent variable or outcome is known as _______ ANOVA.

Interaction effects are between independent variables.

Which of the following would be an example of a design that examines the effects gender and school type (i.e., elementary, middle, or high school) on a scale of student attitudes toward learning?

A factorial ANOVA is _______ analysis.

The test statistic used in the factorial ANOVA is the F-test.

In a factorial ANOVA, one of the null hypotheses for a main effect might look like this: A) B) C) D)

How many research hypotheses are used in a 2 × 2 factorial ANOVA?

In the factorial ANOVA, subjects are measured ______.

If you wanted to examine whether television viewing through social learning differs based on students' grade in school (i.e., first, second, third, etc.), what is the independent variable of interest?

What are the three research hypotheses used in a 2 × 2 factorial analysis?

The factorial ANOVA is used when you have ______.

When analysis of data reveals a difference between levels of a factor, what is this called?