Exam 9: Experimental Designs Within Subjects Design.

How many participants would be needed for a within-subjects experiment comparing four different treatment conditions with a total of 20 scores in each treatment?

(Multiple Choice)

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Question 21

Outline the major advantages and disadvantages of between-subjects designs and within-subjects designs.

(Essay)

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Question 22

Compared to a between-subjects design,the variance in a within-subjects design is greatly reduced because the ____ are measured and statistically removed.

(Multiple Choice)

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Question 23

A researcher would like to conduct an experiment,but is concerned about strong order effects.One solution is to use a ____.

(Multiple Choice)

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Question 24

What is the effect of counterbalancing?

(Multiple Choice)

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Question 25

In a Latin square,____.

(Multiple Choice)

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Question 26

In a completely counterbalanced within-subjects experiment,____.

(Multiple Choice)

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Question 27

One advantage of within-subjects designs is that they completely eliminate the possibility that individual differences can become confounding variables.

(True/False)

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Question 28

Provide an example of order effects in a within-subjects research study and explain why order effects are a concern for researchers.

(Essay)

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Question 29

For a within-subjects experiment,one of the primary threats to internal validity is ____.

(Multiple Choice)

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Question 30

At a minimum,how many participants would be needed for a matched-subjects design comparing three different treatment conditions with 20 scores in each treatment?

(Multiple Choice)

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Question 31

A way to control for order effects in a within-subjects experiment is to use ____.

(Multiple Choice)

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Question 32

What is the effect of increasing the time between treatment conditions in a within-subjects experiment?

(Multiple Choice)

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Question 33

Partial counterbalancing for four treatments would require four groups of participants.

(True/False)

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Question 34

Under what circumstances is a within-subjects design not a good choice for a research study?

(Essay)

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Question 35

It is impossible to have order effects with a between‑subjects design.

(True/False)

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Question 36

When one treatment condition has a lasting effect on the participants and influences their scores in later treatments,the study is confounded by ____.

(Multiple Choice)

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Question 37

Random assignment is used to control order effects in a within-subjects experiment.

(True/False)

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Question 38

For a within-subjects experiment,one disadvantage of a multiple-treatment design compared to a two-treatment design is that the likelihood of participant attrition increases as the number of treatments increases.

(True/False)

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Question 39

Which effects occur when environmental events other than the treatment influence the participants' scores in one treatment differently than in another treatment?

(Multiple Choice)

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Question 40

Showing 21 - 40 of 67

How many participants would be needed for a within-subjects experiment comparing four different treatment conditions with a total of 20 scores in each treatment?

Outline the major advantages and disadvantages of between-subjects designs and within-subjects designs.

Compared to a between-subjects design,the variance in a within-subjects design is greatly reduced because the ____ are measured and statistically removed.

A researcher would like to conduct an experiment,but is concerned about strong order effects.One solution is to use a ____.

What is the effect of counterbalancing?

In a Latin square,____.

In a completely counterbalanced within-subjects experiment,____.

One advantage of within-subjects designs is that they completely eliminate the possibility that individual differences can become confounding variables.

Provide an example of order effects in a within-subjects research study and explain why order effects are a concern for researchers.

For a within-subjects experiment,one of the primary threats to internal validity is ____.

At a minimum,how many participants would be needed for a matched-subjects design comparing three different treatment conditions with 20 scores in each treatment?

A way to control for order effects in a within-subjects experiment is to use ____.

What is the effect of increasing the time between treatment conditions in a within-subjects experiment?

Partial counterbalancing for four treatments would require four groups of participants.

Under what circumstances is a within-subjects design not a good choice for a research study?

It is impossible to have order effects with a between‑subjects design.

When one treatment condition has a lasting effect on the participants and influences their scores in later treatments,the study is confounded by ____.

Random assignment is used to control order effects in a within-subjects experiment.

For a within-subjects experiment,one disadvantage of a multiple-treatment design compared to a two-treatment design is that the likelihood of participant attrition increases as the number of treatments increases.

Which effects occur when environmental events other than the treatment influence the participants' scores in one treatment differently than in another treatment?

Introduction, Acquiring Knowledge, and the Scientific Method.

Research Ideas and Hypotheses.

Defining and Measuring Variables.

Ethics in Research.

Selecting Research Participants.

Research Strategies and Validity.

The Experimental Research Strategy.

Experimental Designs: Between Subjects Design.

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

Factorial Designs.

The Correlational Research Strategy.

The Descriptive Research Strategy.

Single-Subject Research Designs.

Statistical Evaluation of Data.

Writing an APA-Style Research Report.

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