Question 1

Two variables interact when

Accepted Answer

A) the effect of one independent variable depends on the level of the other independent variable 
B) both variables are affected equally by some third factor. 
C) there are no main effects 
D) there are main effects 
A) the effect of one independent variable depends on the level of the other independent variable 
B) both variables are affected equally by some third factor. 
C) there are no main effects 
D) there are main effects A

Question 2

A 2 x 3 x 4 factorial design has _____ potential main effects

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 24 
A) 2 
B) 3 
C) 4 
D) 24 B

Question 3

A two-way ANOVA means that the experimental design includes

Accepted Answer

A) two independent variables 
B) two dependent variables 
C) two types of variance 
D) all of the above 
A) two independent variables 
B) two dependent variables 
C) two types of variance 
D) all of the above A

Question 4

In a study examining the effects of time of day (morning or afternoon) and temperature (cool, normal, warm) on worker productivity, the factorial notation would be

Accepted Answer

A) 2 x 2 
B) 2 x 3 
C) 2 x 5 
D) 1 x 6 
A) 2 x 2 
B) 2 x 3 
C) 2 x 5 
D) 1 x 6

Question 5

In a two-way factorial ANOVA, the formula for calculating dfError is

Accepted Answer

A) AB(n - 1) 
B) n - AB 
C) (A - 1)(B - 1) 
D) (AB - 1)(N - 1) 
A) AB(n - 1) 
B) n - AB 
C) (A - 1)(B - 1) 
D) (AB - 1)(N - 1)

Question 6

How many main effects and interaction effects could you have in a 4 x 6 factorial design?

Accepted Answer

In a 4 x 6 design there are tw

Question 7

In a study examining the effects of gender (male or female) and major (psychology, computer science, philosophy, or biology) on college students' willingness to perform community service work, how many main effects are possible?

Accepted Answer

A) 3 
B) 6 
C) 5 
D) 2 
A) 3 
B) 6 
C) 5 
D) 2

Question 8

In a two-way factorial ANOVA, the formula for calculating dfFactor B is

Accepted Answer

A) N - 1 
B) B - 1 
C) k - 1 
D) (k - 1)(N - 1) 
A) N - 1 
B) B - 1 
C) k - 1 
D) (k - 1)(N - 1)

Question 9

In a two-way factorial ANOVA, to calculate MSFactor A we divide _____ by _____.

Accepted Answer

A) SSTotal; dfTotal 
B) SSFactor A; dfFactor A 
C) SSWithin; dfWithin 
D) SSFactor A; dfError 
A) SSTotal; dfTotal 
B) SSFactor A; dfFactor A 
C) SSWithin; dfWithin 
D) SSFactor A; dfError

Question 10

In a study examining the effects of time of day (morning or afternoon) and temperature (cool, normal, warm) on worker productivity, how many interaction effect(s) are possible?

Accepted Answer

A) 1 
B) 2 
C) 6 
D) 5 
A) 1 
B) 2 
C) 6 
D) 5

Question 11

For a 2 x 4 factorial design, there is the possibility of _____ main effect(s) and _____ interaction effect(s).

Accepted Answer

A) 2; 4 
B) 2; 1 
C) 4; 8 
D) 8; 8 
A) 2; 4 
B) 2; 1 
C) 4; 8 
D) 8; 8

Question 12

A main effect indicates

Accepted Answer

A) the mean differences among the levels of one variable 
B) the mean differences among the levels of all variables 
C) the mean difference between the two variables 
D) none of the above 
A) the mean differences among the levels of one variable 
B) the mean differences among the levels of all variables 
C) the mean difference between the two variables 
D) none of the above

Question 13

In a two-way factorial ANOVA, the formula for calculating SSError is

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 14

A 3 x 3 x 3 x 3 design has _____ potential main effects.

Accepted Answer

A) 3 
B) 4 
C) 12 
D) 81 
A) 3 
B) 4 
C) 12 
D) 81

Question 15

How many conditions (cells) are there in a 3 x 5 design?

Accepted Answer

There are 15 cells o

Question 16

Researchers often use factorial designs because:

Accepted Answer

A) they allow us to see the interaction of factors. 
B) they more closely approximate the real world 
C) both a and b 
D) none of the above 
A) they allow us to see the interaction of factors. 
B) they more closely approximate the real world 
C) both a and b 
D) none of the above

Question 17

In a study with three levels of factor A, three levels of factor B, and six participants in each condition, the df for the interaction of A x B would be

Accepted Answer

A) 9​ 
B) 6 
C) 4 
D) 3 
A) 9​ 
B) 6 
C) 4 
D) 3

Question 18

A factorial design involves

Accepted Answer

A) measuring more than one dependent factor (variables). 
B) manipulating more than one independent factor (variable). 
C) both a and b. 
D) none of the above 
A) measuring more than one dependent factor (variables). 
B) manipulating more than one independent factor (variable). 
C) both a and b. 
D) none of the above

Question 19

A factorial design has two levels of factor A and three levels of factor B with six participants in each condition. The F-ratio for the interaction of A x B would have _____ degrees of freedom.

Accepted Answer

A) 2, 35 
B) 2, 30 
C) 6, 35 
D) 6, 30 
A) 2, 35 
B) 2, 30 
C) 6, 35 
D) 6, 30

Question 20

In a two-way factorial ANOVA, the formula for calculating SSFactor A is

Accepted Answer

A)  $ \sum(X-\bar{X} G)^{2} $ 
B)  $ \sum\left(X-\bar{X}_{g}\right)^{2} $ 
C)  $ \sum\left[\left(\bar{X}_{A}-\bar{X}_{G}\right)^{2} n_{A}\right] $ 
D)  $ \sum\left[\left(\bar{X}_{A}-\bar{X}_{g}\right)^{2}\right] $ 
A)  $ \sum(X-\bar{X} G)^{2} $ 
B)  $ \sum\left(X-\bar{X}_{g}\right)^{2} $ 
C)  $ \sum\left[\left(\bar{X}_{A}-\bar{X}_{G}\right)^{2} n_{A}\right] $ 
D)  $ \sum\left[\left(\bar{X}_{A}-\bar{X}_{g}\right)^{2}\right] $

Two variables interact when

A 2 x 3 x 4 factorial design has _____ potential main effects

A two-way ANOVA means that the experimental design includes

In a study examining the effects of time of day (morning or afternoon) and temperature (cool, normal, warm) on worker productivity, the factorial notation would be

In a two-way factorial ANOVA, the formula for calculating df_Error is

How many main effects and interaction effects could you have in a 4 x 6 factorial design?

In a study examining the effects of gender (male or female) and major (psychology, computer science, philosophy, or biology) on college students' willingness to perform community service work, how many main effects are possible?

In a two-way factorial ANOVA, the formula for calculating df_{Factor B} is

In a two-way factorial ANOVA, to calculate MS_Factor A we divide _ by _.

In a study examining the effects of time of day (morning or afternoon) and temperature (cool, normal, warm) on worker productivity, how many interaction effect(s) are possible?

For a 2 x 4 factorial design, there is the possibility of _ main effect(s) and _ interaction effect(s).

A main effect indicates

In a two-way factorial ANOVA, the formula for calculating SS_Error is

A 3 x 3 x 3 x 3 design has _____ potential main effects.

How many conditions (cells) are there in a 3 x 5 design?

Researchers often use factorial designs because:

In a study with three levels of factor A, three levels of factor B, and six participants in each condition, the df for the interaction of A x B would be

A factorial design involves

A factorial design has two levels of factor A and three levels of factor B with six participants in each condition. The F-ratio for the interaction of A x B would have _____ degrees of freedom.

In a two-way factorial ANOVA, the formula for calculating SS_{Factor A} is

Thinking Like a Scientist

Getting Started

Defining Measuring and Manipulating Variables

Descriptive Methods

Data Organization and Descriptive Statistics

Correlational Methods and Statistics

Probability and Hypothesis Testing

Introduction to Inferential Statistics

Experimental Design and Analysis I

Experimental Design and Analysis II

Experimental Design and Analysis III

Quasi Experimental and Single Case Designs

Nonparametric Inferential Statistics

APA Communication Guidelines

Filters

Exam 12: Experimental Design and Analysis Iv

Two variables interact when

A 2 x 3 x 4 factorial design has _____ potential main effects

A two-way ANOVA means that the experimental design includes

In a study examining the effects of time of day (morning or afternoon) and temperature (cool, normal, warm) on worker productivity, the factorial notation would be

In a two-way factorial ANOVA, the formula for calculating dfError is

How many main effects and interaction effects could you have in a 4 x 6 factorial design?

In a study examining the effects of gender (male or female) and major (psychology, computer science, philosophy, or biology) on college students' willingness to perform community service work, how many main effects are possible?

In a two-way factorial ANOVA, the formula for calculating dfFactor B is

In a two-way factorial ANOVA, to calculate MSFactor A we divide _____ by _____.

In a study examining the effects of time of day (morning or afternoon) and temperature (cool, normal, warm) on worker productivity, how many interaction effect(s) are possible?

For a 2 x 4 factorial design, there is the possibility of _____ main effect(s) and _____ interaction effect(s).

A main effect indicates

In a two-way factorial ANOVA, the formula for calculating SSError is

A 3 x 3 x 3 x 3 design has _____ potential main effects.

How many conditions (cells) are there in a 3 x 5 design?

Researchers often use factorial designs because:

In a study with three levels of factor A, three levels of factor B, and six participants in each condition, the df for the interaction of A x B would be

A factorial design involves

A factorial design has two levels of factor A and three levels of factor B with six participants in each condition. The F-ratio for the interaction of A x B would have _____ degrees of freedom.

In a two-way factorial ANOVA, the formula for calculating SSFactor A is

Thinking Like a Scientist

Getting Started

Defining Measuring and Manipulating Variables

Descriptive Methods

Data Organization and Descriptive Statistics

Correlational Methods and Statistics

Probability and Hypothesis Testing

Introduction to Inferential Statistics

Experimental Design and Analysis I

Experimental Design and Analysis II

Experimental Design and Analysis III

Quasi Experimental and Single Case Designs

Nonparametric Inferential Statistics

APA Communication Guidelines

Filters

In a two-way factorial ANOVA, the formula for calculating df_Error is

In a two-way factorial ANOVA, the formula for calculating df_{Factor B} is

In a two-way factorial ANOVA, to calculate MS_Factor A we divide _ by _.

For a 2 x 4 factorial design, there is the possibility of _ main effect(s) and _ interaction effect(s).

In a two-way factorial ANOVA, the formula for calculating SS_Error is

In a two-way factorial ANOVA, the formula for calculating SS_{Factor A} is