Statistics for the Behavioral SciencesSecond Edition

Chapter 14:

Two-Way Between-Groups ANOVA

iClicker Questions

Copyright © 2012 by Worth Publishers

Susan A. Nolan and Thomas E. Heinzen

Chapter 14

1. A __________________ is a hypothesis test that includes two nominal independent variables and an interval dependent variable, and a ________________ is a statistical analysis used with one interval dependent variable and at least two nominal independent variables.

a) factorial analysis of variance; two-way ANOVA

b) one-way ANOVA; factorial ANOVA

c) two-way ANOVA; factorial ANOVA

d) between-groups ANOVA; within-groups ANOVA

Chapter 14 (Answer)

1. A __________________ is a hypothesis test that includes two nominal independent variables and an interval dependent variable, and a _________________ is a statistical analysis used with one interval dependent variable and at least two nominal independent variables.

a) factorial analysis of variance; two-way ANOVA

b) one-way ANOVA; factorial ANOVA

c) two-way ANOVA; factorial ANOVA

d) between-groups ANOVA; within-groups ANOVA

2. A study evaluated the effects of both gender and socioeconomic status on self-reported stress levels. What ANOVA would best be suited to analyze the data from this study?

a) two-way ANOVA

b) between-groups ANOVA

c) within-groups ANOVA

d) one-way ANOVA

Chapter 14

2. A study evaluated the effects of both gender and socioeconomic status on self-reported stress levels. What ANOVA would best be suited to analyze the data from this study?

a) two-way ANOVA

b) between-groups ANOVA

c) within-groups ANOVA

d) one-way ANOVA

Chapter 14 (Answer)

3. A research study with a factorial design is set up where there are two independent variables (gender of participant and age of participant) and the dependent variable is memory performance. After the data from the experiment is analyzed, it is found that females remembered more than males. We can say that there is a(n) _______________ of gender of participant.

 

a) main effect

b) interaction effect

c) simple effect

d) null effect

Chapter 14

3. A research study with a factorial design is set up where there are two independent variables (gender of participant and age of participant) and the dependent variable is memory performance. After the data from the experiment is analyzed, it is found that females remembered more than males. We can say that there is a(n) _______________ of gender of participant.

 

a) main effect

b) interaction effect

c) simple effect

d) null effect

Chapter 14 (Answer)

Chapter 14

4. How many F statistics are produced in a two-way ANOVA?

a) 3

b) 2

c) 6

d) 1

Chapter 14 (Answer)

4. How many F statistics are produced in a two-way ANOVA?

a) 3

b) 2

c) 6

d) 1

Chapter 14

5. ______________ refers to the means of the rows and the columns in a table that shows the cells of a study with a two-way ANOVA design.

a) Standard error of the mean

b) Grand mean

c) Marginal mean

d) Sample mean

 

Chapter 14 (Answer)

5. ______________ refers to the means of the rows and the columns in a table that shows the cells of a study with a two-way ANOVA design.

a) Standard error of the mean

b) Grand mean

c) Marginal mean

d) Sample mean

 

6. What type of interaction, if any, does the figure below best illustrate?

Chapter 14

a) a quantitative interaction b) a parallel interaction c) a qualitative interaction d) There is no interaction in the

figure.

6. What type of interaction, if any, does the figure below best illustrate?

Chapter 14 (Answer)

a)a quantitative interactionb) a parallel interaction c) a qualitative interaction d) There is no interaction in the figure

7. When you get your output from a two-way, which F statistic, if it is significant, should you first interpret?

a) main effects

b) placebo effects

c) null hypothesis

d) interaction effects

Chapter 14

7. When you get your output from a two-way, which F statistic, if it is significant, should you first interpret?

a) main effects

b) placebo effects

c) null hypothesis

d) interaction effects

Chapter 14 (Answer)

Chapter 14

8. If you construct a graph of the means from a research study with a two-way factorial design and you see that the two lines in your graph intersect, this means:

a) there is an interaction effect.

b) there is not an interaction effect.

c) you have two main effects.

d) you have no main effects.

Chapter 14 (Answer)

8. If you construct a graph of the means from a research study with a two-way factorial design and you see that the two lines in your graph intersect, this means:

a) there is an interaction effect.

b) there is not an interaction effect.

c) you have two main effects.

d) you have no main effects.

Chapter 14

9. What type of interaction, if any, does the figure below best illustrate?

a) a quantitative interaction b) a parallel interaction c) a qualitative interaction d) there is no interaction in the figure

Chapter 14 (Answer)

9. What type of interaction, if any, does the figure below best illustrate?

a) a quantitative interaction b) a parallel interaction c) a qualitative interaction d) there is no interaction in the figure

Chapter 14

10. Which of the following is the correct formula for degrees of freedom for the interaction effect of a between-subjects factorial design?

a) Df interaction = (df rows) + (df columns)

b) Df interaction = (df rows) (df columns)

c) Df interaction = N rows - 1

d) Df interaction = N columns - 1

Chapter 14 (Answer)

10. Which of the following is the correct formula for degrees of freedom for the interaction effect of a between-subjects factorial design?

a) Df interaction = (df rows) + (df columns)

b) Df interaction = (df rows) (df columns)

c) Df interaction = N rows - 1

d) Df interaction = N columns - 1

Chapter 14

11. For a two-way ANOVA, which statistic do we calculate to determine effect size?

a) R2

b) Df

c) F

d) SS

Chapter 14 (Answer)

11. For a two way ANOVA, which statistic do we use to calculate effect size?

a) R2

b) Df

c) F

d) SS

Chapter 14

12. A form of ANOVA in which there is more than one dependent variable is called:

a) a mixed-design ANOVA.

b) a MANOVA.

b) an ANCOVA.

c) all of the above

Chapter 14 (Answer)

12. A form of ANOVA in which there is more than one dependent variable is called:

a) a mixed-design ANOVA.

b) a MANOVA.

b) an ANCOVA.

c) all of the above

Chapter 14

13. A scale variable that we suspect associates with the independent variable of interest is called a:

 

a) factor.

b) dependent variable.

c) covariate.

d) marginal.

Chapter 14 (Answer)

13. A scale variable that we suspect associates with the independent variable of interest is called a:

 

a) factor.

b) dependent variable.

c) covariate.

d) marginal.