Question 1

In a factorial design based on two independent variables, three F values will be calculated.

Accepted Answer

A) True 
 B)False

Question 2

To look at an interaction effect we must

Accepted Answer

A)   consider one variable at a time.
B)   plot the data within each cell.
C)   plot the data in such a way that we see how each independent variable changes at each level of the other independent variable.
D)   calculate the row means.E) A) and D)
F) A) and C)

Question 3

Using the example in the text of a participant receiving therapy while sitting in a bath of ice water, what would be the best denominator for calculating error B)  the square root of MSerror after removing effects due to the Ice condition and its interaction with treatment C)  the standard deviation of participants in the non-ice condition D)  the standard deviation of difference scores" class="answers-bank-image d-inline" rel="preload" > ?

Accepted Answer

A)   the square root of MSerror
B)   the square root of MSerror after removing effects due to the Ice condition and its interaction with treatment
C)   the standard deviation of participants in the non-ice condition
D)   the standard deviation of difference scoresE) None of the above
F) All of the above

Question 4

To calculate the F for the interaction in an analysis of variance we

Accepted Answer

A)   divide the MS interaction by MS error.
B)   divide the MS interaction by MS total.
C)   multiply MS ¬interaction by its df .
D)   divide MS interaction into MS rows.E) All of the above
F) A) and D)

Question 5

Use the following ANOVA summary table to answer the following four questions:

Why does Group have 4 degrees of freedom?

Accepted Answer

A)   because there are 4 groups
B)   because there are 5 groups (5 - 1 = 4) 
C)   because gender has 1 df (1 × 4 = 4) 
D)   because the design has four cellsE) C) and D)
F) None of the above

Question 6

X13 refers to the value located in the first row and the third column.

Accepted Answer

A) True 
 B)False  True

Question 7

Use the following research scenario to answer the next four questions:
A researcher was interested in the effects of 1)  alcohol consumption and 2)  content of a videotape, on how likely one is to support rape myths.  The researcher randomly assigned 60 college-aged males to one of the following three groups: no alcohol consumed, a moderated amount of alcohol consumed, and a large amount of alcohol consumed.  Additionally, half of the participants were shown the educational video on rape myths. The other half of the participants watched a documentary on owls (a control condition) .  At the end of the study all the participants filled out a survey on rape myth acceptance.  Higher scores on the survey indicated higher acceptance of rape myths.
The results indicated that the participants who watched the educational video scored significantly lower on the rape myth scale compared to the group that watched the owl video. What does this suggest?

Accepted Answer

A)   There is a main effect of alcohol consumption.
B)   There is a main effect of video type.
C)   There is an interaction between alcohol consumption and video type.
D)   For some unknown reason, owls seem to promote rape myth acceptance.E) None of the above
F) A) and D)

Question 8

In analysis of variance, factor refers to independent variables.

Accepted Answer

A) True 
 B)False

Question 9

Three main effects and three interactions are tested in a factorial design with three independent variables.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is NOT true in a factorial analysis of variance?

Accepted Answer

A)   SS total = SS A + SS B + SS AB
B)   SS total = SS A + SS B + SS AB + SS error
C)   SS cells = SS A + SS B + SS AB
D)   SS total = SS cells + SS errorE) A) and C)
F) A) and D) A

Question 11

A factorial design has at least

Accepted Answer

A)   one dependent variable and one independent variable.
B)   two dependent variables and one independent variable.
C)   two independent variables and one dependent variable.
D)   The number of independent variables is not important.E) None of the above
F) All of the above

Question 12

A pediatrician is studying weight gain in infants. He divides them into 2 groups: breast fed and bottle fed. Further, he divides them into those whose mothers feed them on a timed schedule, and those whose mothers feed them when they cry (on demand) . Weight gain is the dependent measure. What type of analysis should you run?

Accepted Answer

A)   a regression
B)   a one-way ANOVA
C)   a 2 × 2 factorial ANOVA
D)   a 2 × 2 correlationE) A) and B)
F) None of the above

Question 13

A 2 × 4 factorial involves two independent variables. One has two levels and the other has four.

Accepted Answer

A) True 
 B)False  False

Question 14

Determine whether each of the following effects is statistically significant at α = .05.

Accepted Answer

There is a significant main ef...

Question 15

Unequal sample sizes in a factorial analysis of variance

Accepted Answer

A)   are difficult to deal with when doing calculations by hand.
B)   are treated exactly as they were in the one-way design.
C)   cannot be dealt with at all.
D)   are dealt with just like equal sample sizes when doing hand calculations.E) A) and D)
F) None of the above

Question 16

Use the following ANOVA summary table to answer the following four questions:

How many cells are there in this design?

Accepted Answer

A)   1
B)   4
C)   8
D)   10E) B) and C)
F) None of the above

Question 17

In the factorial design analyses discussed in Chapter 17, the different cells

Accepted Answer

A)   often have different subjects in them.
B)   never have different subjects in them.
C)   always have different subjects.
D)   can have either the same subjects or different subjects.E) None of the above
F) All of the above

Question 18

In the text the Eysenck study of recall as a function of Age and Instructions allowed us to see that

Accepted Answer

A)   older subjects don't recall as well as earlier subjects, on average.
B)   older and younger subjects differ more on tasks which involve greater depth of processing.
C)   greater processing tends to lead to better recall.
D)   all of the aboveE) A) and B)
F) All of the above

Question 19

The mean difference in GPA based on Gender for Freshman only is a simple effect.

Accepted Answer

A) True 
 B)False

Question 20

The main effect of a variable is

Accepted Answer

A)   the effect of that variable controlling for another variable.
B)   the effect of that variable averaged over the levels of other independent variable(s) .
C)   part of the interaction effect.
D)   none of the aboveE) B) and D)
F) C) and D)

Exam 17: Factorial Analysis of Variance

In a factorial design based on two independent variables, three F values will be calculated.

Correct Answer
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To look at an interaction effect we must

Correct Answer
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Using the example in the text of a participant receiving therapy while sitting in a bath of ice water, what would be the best denominator for calculating ?

Correct Answer
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To calculate the F for the interaction in an analysis of variance we

Correct Answer
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Use the following ANOVA summary table to answer the following four questions: Why does Group have 4 degrees of freedom?

Correct Answer
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X₁₃ refers to the value located in the first row and the third column.

Correct Answer
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True

Correct Answer
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In analysis of variance, factor refers to independent variables.

Correct Answer
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Three main effects and three interactions are tested in a factorial design with three independent variables.

Correct Answer
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Which of the following is NOT true in a factorial analysis of variance?

Correct Answer
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A

A factorial design has at least

Correct Answer
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Correct Answer
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A 2 × 4 factorial involves two independent variables. One has two levels and the other has four.

Correct Answer
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False

Determine whether each of the following effects is statistically significant at α = .05.

Correct Answer
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There is a significant main ef...
View Answer

Unequal sample sizes in a factorial analysis of variance

Correct Answer
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Use the following ANOVA summary table to answer the following four questions: How many cells are there in this design?

Correct Answer
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In the factorial design analyses discussed in Chapter 17, the different cells

Correct Answer
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In the text the Eysenck study of recall as a function of Age and Instructions allowed us to see that

Correct Answer
verified

The mean difference in GPA based on Gender for Freshman only is a simple effect.

Correct Answer
verified

The main effect of a variable is

Correct Answer
verified

Exam 17: Factorial Analysis of Variance

In a factorial design based on two independent variables, three F values will be calculated.

Correct AnswerverifiedShow Answer

To look at an interaction effect we must

Correct AnswerverifiedShow Answer

Using the example in the text of a participant receiving therapy while sitting in a bath of ice water, what would be the best denominator for calculating ?

Correct AnswerverifiedShow Answer

To calculate the F for the interaction in an analysis of variance we

Correct AnswerverifiedShow Answer

Use the following ANOVA summary table to answer the following four questions: Why does Group have 4 degrees of freedom?

Correct AnswerverifiedShow Answer

X13 refers to the value located in the first row and the third column.

Correct AnswerverifiedTrue

Correct AnswerverifiedShow Answer

In analysis of variance, factor refers to independent variables.

Correct AnswerverifiedShow Answer

Three main effects and three interactions are tested in a factorial design with three independent variables.

Correct AnswerverifiedShow Answer

Which of the following is NOT true in a factorial analysis of variance?

Correct AnswerverifiedA

A factorial design has at least

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

A 2 × 4 factorial involves two independent variables. One has two levels and the other has four.

Correct AnswerverifiedFalse

Determine whether each of the following effects is statistically significant at α = .05.

Correct AnswerverifiedThere is a significant main ef...View AnswerShow Answer

Unequal sample sizes in a factorial analysis of variance

Correct AnswerverifiedShow Answer

Use the following ANOVA summary table to answer the following four questions: How many cells are there in this design?

Correct AnswerverifiedShow Answer

In the factorial design analyses discussed in Chapter 17, the different cells

Correct AnswerverifiedShow Answer

In the text the Eysenck study of recall as a function of Age and Instructions allowed us to see that

Correct AnswerverifiedShow Answer

The mean difference in GPA based on Gender for Freshman only is a simple effect.

Correct AnswerverifiedShow Answer

The main effect of a variable is

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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X₁₃ refers to the value located in the first row and the third column.

Correct Answer
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True

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Correct Answer
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Correct Answer
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A

Correct Answer
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False

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There is a significant main ef...
View Answer

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Correct Answer
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