Exam 8: Experimental Designs: Between-Subjects Design

A between-subjects experiment comparing four treatment conditions produces 20 scores in each treatment condition.How many scores were obtained for each participant?

(Multiple Choice)

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Question 21

Resentful demoralization is a threat to the external validity of a between-subjects experiment.

(True/False)

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Question 22

Between-subjects designs are often called repeated-measures designs.

(True/False)

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Question 23

Which of the following does not guarantee that a specific participant variable does not become a confounding variable?

(Multiple Choice)

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Question 24

Explain the benefit of independent scores in a between-subjects design.

(Essay)

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Question 25

Which of the following is not a risk when participants in one group have an opportunity to talk with participants in the other groups in a between-subjects experiment?

(Multiple Choice)

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Question 26

In a between-subjects experiment,when the participants in one group have characteristics that are noticeably different from those in another group,the _____ of the study is threatened.

(Multiple Choice)

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Question 27

An advantage of between-subjects designs is that they require fewer participants than are typically needed for within-subjects designs.

(True/False)

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Question 28

In a between-subjects experiment,increasing the variance within treatments increases the likelihood of finding significant differences between treatments.

(True/False)

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Question 29

A limitation of using matching rather than random assignment to form groups in a between-subjects experiment is that

(Multiple Choice)

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Question 30

In a between-subjects design

(Multiple Choice)

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Question 31

Holding a variable constant prevents a variable from becoming a confound by

(Multiple Choice)

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Question 32

Differential attrition can threaten the internal validity of a between-subjects experiment.

(True/False)

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Question 33

Describe the advantages and disadvantages of matching groups of participants in a between-subjects experiment.

(Essay)

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Question 34

In a between-subjects experiment,if the participants in one group are noticeably older than the participants in another group,then participant age is a confounding variable and threatens the internal validity of the experiment.

(True/False)

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Question 35

For a between-subjects experiment,any factor that increases the variance within treatments also increases the likelihood of finding a significant difference between treatments.

(True/False)

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Question 36

Because random assignment is likely to create groups of different sizes,researchers often employ

(Multiple Choice)

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Question 37

The single-factor two-group design includes

(Multiple Choice)

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Question 38

The primary limitation of a two-group design is that

(Multiple Choice)

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Question 39

In a between-subjects design,you can increase the likelihood of finding a difference between the treatment conditions by

(Multiple Choice)

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Question 40

Showing 21 - 40 of 67

A between-subjects experiment comparing four treatment conditions produces 20 scores in each treatment condition.How many scores were obtained for each participant?

Resentful demoralization is a threat to the external validity of a between-subjects experiment.

Between-subjects designs are often called repeated-measures designs.

Which of the following does not guarantee that a specific participant variable does not become a confounding variable?

Explain the benefit of independent scores in a between-subjects design.

Which of the following is not a risk when participants in one group have an opportunity to talk with participants in the other groups in a between-subjects experiment?

In a between-subjects experiment,when the participants in one group have characteristics that are noticeably different from those in another group,the _____ of the study is threatened.

An advantage of between-subjects designs is that they require fewer participants than are typically needed for within-subjects designs.

In a between-subjects experiment,increasing the variance within treatments increases the likelihood of finding significant differences between treatments.

A limitation of using matching rather than random assignment to form groups in a between-subjects experiment is that

In a between-subjects design

Holding a variable constant prevents a variable from becoming a confound by

Differential attrition can threaten the internal validity of a between-subjects experiment.

Describe the advantages and disadvantages of matching groups of participants in a between-subjects experiment.

In a between-subjects experiment,if the participants in one group are noticeably older than the participants in another group,then participant age is a confounding variable and threatens the internal validity of the experiment.

For a between-subjects experiment,any factor that increases the variance within treatments also increases the likelihood of finding a significant difference between treatments.

Because random assignment is likely to create groups of different sizes,researchers often employ

The single-factor two-group design includes

The primary limitation of a two-group design is that

In a between-subjects design,you can increase the likelihood of finding a difference between the treatment conditions by

Introduction, Acquiring Knowledge, and the Scientific Method

Research Ideas

Defining and Measuring Variables

Ethics in Research

Selecting Research Participants

Research Strategies and Validity

The Experimental Research Strategy

Experimental Designs: Within-Subjects Design

The Nonexperimental and Quasi-Experimental Strategies: Nonequivalent Group, Pre-Post, and Developmental Designs

Factorial Designs

The Correlational Research Strategy

Descriptive Research Strategy

Single-Subject Research Designs

Statistical Evaluation of Data

Writing a Research Report

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