Research Methods for the Behavioral Sciences (MindTap Course List)
5th Edition
ISBN: 9781305104136
Author: Frederick J Gravetter, Lori-Ann B. Forzano
Publisher: Wadsworth Publishing
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Textbook Question
Chapter 9.2, Problem 3LO
For a within-subjects experiment, explain how the time delay between treatments can influence time-related threats to internal validity and why it may be better to switch to a between-subjects design.
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Chapter 9 Solutions
Research Methods for the Behavioral Sciences (MindTap Course List)
Ch. 9.1 - Describe the general characteristics of a...Ch. 9.1 - Describe how time-related factors such as history,...Ch. 9.2 - For a within-subjects experiment, explain how the...Ch. 9.2 - Define counterbalancing and explain how it is used...Ch. 9.2 - Describe the limitations of counterbalancing and...Ch. 9.3 - Explain the general advantages and disadvantages...Ch. 9.3 - Define a matched-subject design and explain how it...Ch. 9.4 - Describe the different ways that within-subjects...Ch. 9 - In addition to the key words, you should also be...Ch. 9 - Describe the characteristics of a within-subjects...
Ch. 9 - Briefly explain how an order effect such as...Ch. 9 - Under what circumstances is it advisable to switch...Ch. 9 - Describe the process of counterbalancing and the...Ch. 9 - Describe the circumstances in which...Ch. 9 - What is the advantage of removing the variability...Ch. 9 - Explain how a within-subjects design avoids the...Ch. 9 - A researcher has a sample of 30 rats that are all...Ch. 9 - Explain how a matched-subjects design attempts to...Ch. 9 - Describe the disadvantages of a multiple-treatment...Ch. 9 - researcher has a sample of 30 rats that are all...Ch. 9 - In a Latin square, each treatment condition occurs...
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- The researchers looked at 60 people who were infected with coronavirus. 35 of the subjects were vaccinated, of which 5 were seriously ill. Of the other unvaccinated patients, 15 were seriously ill.A... What hypothesis about differences in severity of the disease can be tested with this data using the 2x2 table? (Extend the hypothesis and the way it can be tested.B. What were the test conclusions?arrow_forwardExplain the difference between the one-way fixed effects model and the one-way random effects model.arrow_forwardOne advantage of using a control group with a placebo inan experiment is that the experiment will beA) better because of the larger number of treatmentgroups.B) better able to account for variability arising fromextraneous factors.C) better able to avoid bias.D) better able to establish which factor is cause andwhich is effect.E) better able detect changes in the response variable.arrow_forward
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