Question 1

All of the following are true about factorial designs except

Accepted Answer

A)  they have at least two independent variables
B)  the independent variables can be either between-subjects or within-subjects
C)  they are best analyzed with a 1-factor ANOVA
D)  if both main effects and interactions occur, interactions should be interpreted first

Question 2

In the above study, suppose that 10 subjects are tested in condition represented by the upper left hand cell of the factorial matrix. How many subjects need to be recruited to complete the study?

Accepted Answer

A)  30
B)  60
C)  20
D)  10

Question 3

All factorial designs

Accepted Answer

A)  have at least two independent variables
B)  have the potential for producing at least three main effects
C)  have the potential for producing at least two interaction effects
D)  have at least one manipulated independent variable and one nonmanipulated independent variable

Question 4

A 2x3 factorial design has six

Accepted Answer

A)  independent variables
B)  different conditions
C)  levels of the independent variable
D)  subjects per condition

Question 5

In a 2x2 design, the following results occur:

Accepted Answer

A)  Which of the following is true?
B)  there is one main effect and no interaction
C)  there is an interaction but no main effects
D)  there are two main effects but no interaction
E)  there are two main effects and an interaction

Question 6

How would you describe the design of this study?

Accepted Answer

A)  it's a 2x2 P x E mixed factorial
B)  it's a 4x4 mixed factorial
C)  it's a 2x2 nonequivalent groups factorial
D)  it's a 2x2 P x E factorial

Question 7

This study includes learning style as

Accepted Answer

A)  a manipulated variable
B)  a subject variable
C)  a dependent variable
D)  an uncontrolled extraneous variable

Question 8

If a study is a P x E factorial design, it could also be a

Accepted Answer

A)  single-factor multilevel design
B)  nonequivalent groups factorial design
C)  independent groups factorial design
D)  a mixed factorial design

Question 9

Which of the chapter's research examples used a P x E mixed design?

Accepted Answer

A)  the study on the best environment for studying
B)  the study on simulated driving with cell phones
C)  the study on the closing time effect
D)  the study on stereotype threat

Question 10

Which of the following is true about the study?

Accepted Answer

A)  there are two different dependent variables
B)  there are four independent variables
C)  although it is a repeated-measures study, there is a failure to control for possible
D)  one of the two independent variables is a subject variable

Question 11

In a 2x2 design, the following results occur:

Accepted Answer

A)  Which of the following is true?
B)  there is one main effect and no interaction
C)  there is an interaction but no main effects
D)  there are two main effects but no interaction
E)  there are two main effects and an interaction

Question 12

This study includes the gender of the children in the photos as

Accepted Answer

A)  a manipulated variable
B)  a subject variable
C)  a dependent variable
D)  se an uncontrolled extraneous variable

Question 13

In a factorial study, what is a main effect?

Accepted Answer

A)  it refers to any statistically significant finding in the study
B)  it refers to any statistically significant difference between the levels of a single
C)  it occurs when the effect of one variable depends on the level of the other variable
D)  it is any result that is significant at the .01 rather than the .05 level

Question 14

A ceiling effect is said to occur when

Accepted Answer

A)  there is one main effect, but not two
B)  performance is very high for one group, but just average for a second group
C)  performance is so close to perfect for both groups that any true difference between them is obscured
D)  everyone participating is the experiment performs better than they ever have before

Question 15

A 3x3x3 factorial design has three

Accepted Answer

A)  levels
B)  conditions
C)  independent variables
D)  dependent variables

Question 16

An ATI design would be considered an example of which of the following?

Accepted Answer

A)  P x E design
B)  mixed design
C)  nonequivalent groups design
D)  matched groups design

Question 17

Jenkins and Dallenbach did a famous study on the phenomenon of retroactive interference in the 1920s, in which they found that getting a good sleep before an exam might not be a bad idea. Which of the following was true about their study?

Accepted Answer

A)  they tested two large groups: one slept between study and recall, and the other stayed awake
B)  they found a main effect for retention interval but not for whether or not the participants slept
C)  the design was a 2x4 repeated measures factorial design
D)  the subject variables was whether or not the participants were able to sleep; the manipulated variable was retention interval

Question 18

Which of the following is true about the study?

Accepted Answer

A)  there are two different dependent variables
B)  there are four independent variables
C)  random assignment is not required, but counterbalancing is
D)  counterbalancing is not required, but random assignment is

Question 19

A 2x4 factorial design has

Accepted Answer

A)  eight different conditions
B)  an independent variable with four levels
C)  two different independent variables
D)  all of the above

Question 20

Which of the following is true about a P x E factorial design?

Accepted Answer

A)  it is a single-factor design
B)  both variables are manipulated variables
C)  it includes both a subject variable and a manipulated variable
D)  both variables must be between-subjects variables

Exam 8: Experimental Design II: Factorial Designs

All of the following are true about factorial designs except

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Which of the following is true about the study?

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A 3x3x3 factorial design has three

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A 2x3 factorial design has six

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In the above study, suppose that 10 subjects are tested in condition represented by the upper left hand cell of the factorial matrix. How many subjects need to be recruited to complete the study?

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Which of the following is true about a P x E factorial design?

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How would you describe the design of this study?

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Which of the chapter's research examples used a P x E mixed design?

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If a study is a P x E factorial design, it could also be a

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Jenkins and Dallenbach did a famous study on the phenomenon of retroactive interference in the 1920s, in which they found that getting a good sleep before an exam might not be a bad idea. Which of the following was true about their study?

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In a factorial study, what is a main effect?

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All factorial designs

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Which of the following is true about the study?

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This study includes the gender of the children in the photos as

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A ceiling effect is said to occur when

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In a 2x2 design, the following results occur:

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This study includes learning style as

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An ATI design would be considered an example of which of the following?

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A 2x4 factorial design has

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In a 2x2 design, the following results occur:

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