Question 1

Which of the following statements is not true?

Accepted Answer

A)   In a 2 x 2 between-subjects factorial design, there are two potential main effects.
B)   In a 2 x 2 x 2 between-subjects factorial design, there is one potential three-way interaction.
C)   In a 3 x 2 mixed-subjects factorial design, one potential main effect is within-subjects.
D)   In a 2 x 2 x 2 mixed-subjects factorial design, there are four two-way interactions.

Question 2

Some quasi-experiment designs can also be known as correlational designs.

Accepted Answer

A) True 
 B)False

Question 3

Jaime is running a study comparing the performances on monolinguals and bilinguals on memories for pictures. This study uses a _________________________ and is a _______________________.

Accepted Answer

A)   participant variable; between-subjects design
B)   participant variable; within-subjects design
C)   experimenter independent variable; between-subjects design
D)   experimenter independent variable; within-subjects design

Question 4

When two main effects are significant, an interaction must be significant too.

Accepted Answer

A) True 
 B)False

Question 5

The main effects in a factorial design are not significant if the interaction between them is not significant too.

Accepted Answer

A) True 
 B)False

Question 6

A single-case experimental design uses the same methodology as a case study design.

Accepted Answer

A) True 
 B)False

Question 7

In a 2 x 2 factorial design, when a main effect is significant…

Accepted Answer

A)   the other main effect should also be significant.
B)   the other main effect need not be significant.
C)   the interaction should be significant only if the other main effect is also significant.
D)   the interaction should not be significant if the other main effect is significant.

Question 8

In a 3 x 4 factorial design, what does "4" refer to?

Accepted Answer

A)   The number of conditions in the whole study
B)   The number of independent variables in the study
C)   The number of main effects in the study
D)   The number of levels of the second independent variable

Question 9

Which of the following is an advantage of the ABAB design?

Accepted Answer

A)   Increases the ability to rule out time as a confounding variable
B)   Increases the generalizability of findings
C)   Increases order effects in the experiment
D)   Increases the ability to rule out normal variability as an explanation for effects

Question 10

If a researcher were interested in studying how two independent variables work together to influence a dependent variable, the best design to use would be a higher order factorial design.

Accepted Answer

A) True 
 B)False

Question 11

In a 2 by 3 design, there are two possible main effects.

Accepted Answer

A) True 
 B)False

Question 12

How many potential main effects are there in a 3 x 4 factorial design?

Accepted Answer

A)   2
B)   3
C)   4
D)   12

Question 13

A factorial design with three independent variables has three possible interactions in total.

Accepted Answer

A) True 
 B)False

Question 14

The multiple baseline approach…

Accepted Answer

A)   varies the amount of time between each intervention and baseline measure.
B)   is also known as the ABAB design.
C)   increases the ability of researchers to generalize their findings.
D)   Requires researchers to measure the subject's baseline at least three times.

Question 15

Which of the following is always true about a single-case experimental design?

Accepted Answer

A)   The first measure taken from the subject is for the purpose of establishing baseline.
B)   If there is a change in the measure at baseline and right after the intervention is administered, then we can conclude that the intervention caused the change.
C)   Single-case experimental designs are considered quasi-experimental designs when the researcher manipulates the independent variable.
D)   Single-case experimental designs cannot be repeated in more than one subject.

Question 16

Which one of the following qualities is shared by both single-case experimental design and case studies?

Accepted Answer

A)   Rich data
B)   Systematic manipulation of the independent variable(s) 
C)   Ease of generalizing findings to the general population
D)   Can involve only one participant

Question 17

Which one of the following qualities is unique to single-case experimental design?

Accepted Answer

A)   Ability to produce highly generable findings
B)   Lack of confounding variables that plague other experimental designs
C)   Can establish causality with only one subject
D)   Allows researchers to study topics that raise ethical concerns if subjects are assigned to particular conditions

Question 18

Single-case experimental designs often produce findings that are as generalizable as other more common forms of experimental design.

Accepted Answer

A) True 
 B)False

Question 19

In Fred's study, there are three levels of only one independent variable that also happens to be a participant variable. His study is:

Accepted Answer

A)   a quasi-experimental design.
B)   a higher order factorial design.
C)   a single-case experimental design.
D)   a two by two factorial design.

Question 20

While higher-order factorial designs allow the researcher to take more variables into consideration, a drawback is that the _________________ of some __________________ might be challenging to interpret.

Accepted Answer

A)   simplicity; main effects
B)   simplicity; interactions
C)   complexity; main effects
D)   complexity; interactions

Exam 9: Variations on Experimental Designs

In a 3 x 4 factorial design, what does "4" refer to?

Correct AnswerverifiedShow Answer

How many potential main effects are there in a 3 x 4 factorial design?

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In a 2 by 3 design, there are two possible main effects.

Correct AnswerverifiedShow Answer

If a researcher were interested in studying how two independent variables work together to influence a dependent variable, the best design to use would be a higher order factorial design.

Correct AnswerverifiedShow Answer

Jaime is running a study comparing the performances on monolinguals and bilinguals on memories for pictures. This study uses a _________________________ and is a _______________________.

Correct AnswerverifiedShow Answer

While higher-order factorial designs allow the researcher to take more variables into consideration, a drawback is that the _________________ of some __________________ might be challenging to interpret.

Correct AnswerverifiedShow Answer

The main effects in a factorial design are not significant if the interaction between them is not significant too.

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Which one of the following qualities is unique to single-case experimental design?

Correct AnswerverifiedShow Answer

Which of the following is always true about a single-case experimental design?

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Some quasi-experiment designs can also be known as correlational designs.

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A single-case experimental design uses the same methodology as a case study design.

Correct AnswerverifiedShow Answer

A factorial design with three independent variables has three possible interactions in total.

Correct AnswerverifiedShow Answer

Which one of the following qualities is shared by both single-case experimental design and case studies?

Correct AnswerverifiedShow Answer

Which of the following is an advantage of the ABAB design?

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Which of the following statements is not true?

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In Fred's study, there are three levels of only one independent variable that also happens to be a participant variable. His study is:

Correct AnswerverifiedShow Answer

The multiple baseline approach…

Correct AnswerverifiedShow Answer

When two main effects are significant, an interaction must be significant too.

Correct AnswerverifiedShow Answer

Single-case experimental designs often produce findings that are as generalizable as other more common forms of experimental design.

Correct AnswerverifiedShow Answer

In a 2 x 2 factorial design, when a main effect is significant…

Correct AnswerverifiedShow Answer

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Jaime is running a study comparing the performances on monolinguals and bilinguals on memories for pictures. This study uses a ___ and is a _.

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While higher-order factorial designs allow the researcher to take more variables into consideration, a drawback is that the _ of some __ might be challenging to interpret.

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