Question 1

In the main effect F₍₁,₁₂₎ = 5.25, p < .05, what is the number of 5.25?

Accepted Answer

A) the obtained value 
B) the critical value 
C) the probability level 
D) the correlation 
A) the obtained value 
B) the critical value 
C) the probability level 
D) the correlation

Question 2

The factorial ANOVA can test main effects but not interaction effects.

Accepted Answer

A) True 
 B)False

Question 3

_______ is another name for a factorial ANOVA.

Accepted Answer

A) one-way analysis of variance 
B) two-way analysis of variance 
C) simple ANOVA 
D) complex ANOVA 
A) one-way analysis of variance 
B) two-way analysis of variance 
C) simple ANOVA 
D) complex ANOVA

Question 4

When you are interested in finding out if students' achievement level changes over time as result of a reading intervention, what type of ANOVA would you use?

Accepted Answer

A) repeated measures 
B) between-groups design 
C) mixed design 
D) one-way ANOVA 
A) repeated measures 
B) between-groups design 
C) mixed design 
D) one-way ANOVA

Question 5

In the main effect F₍₁,₉₎ = 1.67, p = .229, what does F stand for?

Accepted Answer

A) the probability level 
B) the critical value 
C) the F value 
D) the F statistic 
A) the probability level 
B) the critical value 
C) the F value 
D) the F statistic

Question 6

In ANOVA, you have a main effect when ______.

Accepted Answer

A) A factor significantly affects the outcome variable. 
B) An outcome significantly affects a factor. 
C) There is an interaction between factors. 
D) There is an interaction between outcomes. 
A) A factor significantly affects the outcome variable. 
B) An outcome significantly affects a factor. 
C) There is an interaction between factors. 
D) There is an interaction between outcomes.

Question 7

What do we call the difference when results showed a difference between levels of a factor?

Accepted Answer

A) interaction effect 
B) factor effect 
C) level effect 
D) main effect 
A) interaction effect 
B) factor effect 
C) level effect 
D) main effect

Question 8

The number of main effects is equal to ______.

Accepted Answer

A) the number of dependent variables 
B) the number of independent variables 
C) the number of independent variables plus the number of interaction effects 
D) the number of dependent variables minus the number of interaction effects 
A) the number of dependent variables 
B) the number of independent variables 
C) the number of independent variables plus the number of interaction effects 
D) the number of dependent variables minus the number of interaction effects

Question 9

In a factorial ANOVA, the null hypothesis for the interaction might look like this:

Accepted Answer

A) H₀: µᵤppₑᵣ × nₑw = µᵤppₑᵣ × ᵣₑtᵤᵣnᵢng = µmᵢddlₑ × nₑw = µmᵢddlₑ × ᵣₑtᵤᵣnᵢng 
B) H₀: µᵤppₑᵣ × nₑw ≠ µᵤppₑᵣ × ᵣₑtᵤᵣnᵢng ≠ µmᵢddlₑ × nₑw ≠ µmᵢddlₑ × ᵣₑtᵤᵣnᵢng 
C) H₁: ᵤppₑᵣ × nₑw = ᵤppₑᵣ × ᵣₑtᵤᵣnᵢng = mᵢddlₑ × nₑw = mᵢddlₑ × ᵣₑtᵤᵣnᵢng 
D) H₁: ᵤppₑᵣ × nₑw ≠ ᵤppₑᵣ × ᵣₑtᵤᵣnᵢng ≠ mᵢddlₑ × nₑw ≠ mᵢddlₑ × ᵣₑtᵤᵣnᵢng 
A) H₀: µᵤppₑᵣ × nₑw = µᵤppₑᵣ × ᵣₑtᵤᵣnᵢng = µmᵢddlₑ × nₑw = µmᵢddlₑ × ᵣₑtᵤᵣnᵢng 
B) H₀: µᵤppₑᵣ × nₑw ≠ µᵤppₑᵣ × ᵣₑtᵤᵣnᵢng ≠ µmᵢddlₑ × nₑw ≠ µmᵢddlₑ × ᵣₑtᵤᵣnᵢng 
C) H₁: ᵤppₑᵣ × nₑw = ᵤppₑᵣ × ᵣₑtᵤᵣnᵢng = mᵢddlₑ × nₑw = mᵢddlₑ × ᵣₑtᵤᵣnᵢng 
D) H₁: ᵤppₑᵣ × nₑw ≠ ᵤppₑᵣ × ᵣₑtᵤᵣnᵢng ≠ mᵢddlₑ × nₑw ≠ mᵢddlₑ × ᵣₑtᵤᵣnᵢng

Question 10

What three questions can you answer by doing a 2 × 2 factorial analysis?

Accepted Answer

The three questions are as follows: (1)

Question 11

When plotted on a graph, if the lines representing the effects of two variables cross, you have _______.

Accepted Answer

A) an interaction effect 
B) no interaction effect 
C) possibly an interaction effect 
D) n effect that cannot be determined 
A) an interaction effect 
B) no interaction effect 
C) possibly an interaction effect 
D) n effect that cannot be determined

Question 12

If an independent variable has a significant effect on the outcome variable, you have a main effect.

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

The answer of In a factorial ANOVA, one of the...

Question 14

What is a factorial ANOVA?

Accepted Answer

A statistical test i

Question 15

When you want to examine the impact of more than one independent variable on the outcome variable, what type of ANOVA should be used?

Accepted Answer

A) multivariate ANOVA 
B) factorial ANOVA 
C) one-way ANOVA 
D) simple ANOVA 
A) multivariate ANOVA 
B) factorial ANOVA 
C) one-way ANOVA 
D) simple ANOVA

Question 16

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

Accepted Answer

The three hypotheses are as follows: (1)

Question 17

Results from an ANOVA are placed in what type of table?

Accepted Answer

A) ANOVA table 
B) source table 
C) effects table 
D) output table 
A) ANOVA table 
B) source table 
C) effects table 
D) output table

Question 18

What is the two-way analysis of variance?

Accepted Answer

A) one-way analysis of variance 
B) factorial ANOVA 
C) simple ANOVA 
D) complex ANOVA 
A) one-way analysis of variance 
B) factorial ANOVA 
C) simple ANOVA 
D) complex ANOVA

Question 19

In ANOVA, you have an interaction effect when ______.

Accepted Answer

A) The effect of one independent variable differs based on the level of a second independent variable. 
B) The effect of one dependent variable differs based on the level of a second dependent variable. 
C) The effect of one dependent variable differs based on the level of a second independent variable. 
D) The effect of one independent variable differs based on the level of a second dependent variable. 
A) The effect of one independent variable differs based on the level of a second independent variable. 
B) The effect of one dependent variable differs based on the level of a second dependent variable. 
C) The effect of one dependent variable differs based on the level of a second independent variable. 
D) The effect of one independent variable differs based on the level of a second dependent variable.

Question 20

Dr.Moo conducted a research project in which she compared the impact of two types of therapy (pizza therapy and chocolate therapy) and gender on college students' happiness.What is the following table called? $$\begin{array} { | l | l | l | l | l | l | } 
\hline \text { Source } & \text { Surns of Squares } & d f & \text { Mean square } & F & \text { Significance } \
\hline \text { Therapy } & 265.225 & 1 & 265.225 & 2.444 & .127 \
\hline \text { Gender } & 207.025 & 1 & 207.205 & 1.908 & 176 \
\hline \text { Therapy } \times \text { Gender } & 1,050.625 & 1 & 1,050.625 & 9.683 & .004 \
\hline \text { Error } & \mathbf { 3 , 9 0 6 . 1 0 0 } & \mathbf { 3 6 } & 108.503 & & \
\hline \text { Total } & \mathbf { 2 2 4 , 3 2 1 . 0 0 0 } & \mathbf { 3 9 } & & & \
\hline
\end{array}$$

Accepted Answer

A) results table 
B) outcome table 
C) variable table 
D) source table 
A) results table 
B) outcome table 
C) variable table 
D) source table

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

In the main effect F₍₁,₁₂₎ = 5.25, p < .05, what is the number of 5.25?

The factorial ANOVA can test main effects but not interaction effects.

_______ is another name for a factorial ANOVA.

When you are interested in finding out if students' achievement level changes over time as result of a reading intervention, what type of ANOVA would you use?

In the main effect F₍₁,₉₎ = 1.67, p = .229, what does F stand for?

In ANOVA, you have a main effect when ______.

What do we call the difference when results showed a difference between levels of a factor?

The number of main effects is equal to ______.

In a factorial ANOVA, the null hypothesis for the interaction might look like this:

What three questions can you answer by doing a 2 × 2 factorial analysis?

When plotted on a graph, if the lines representing the effects of two variables cross, you have _______.

If an independent variable has a significant effect on the outcome variable, you have a main effect.

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

What is a factorial ANOVA?

When you want to examine the impact of more than one independent variable on the outcome variable, what type of ANOVA should be used?

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

Results from an ANOVA are placed in what type of table?

What is the two-way analysis of variance?

In ANOVA, you have an interaction effect when ______.

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