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Exam 11: Within-Subjects Designs

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Question 31

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Controlling Within-Subjects Designs In which of these designs might confounding due to order effects be a problem?

A) between-subjects design
B) matched groups design
C) within-subjects design
D) matched groups design and within-subjects design

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Question 32

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Introduction All of the following questions invite a within-subjects approach except:

A) Do additional reviews of class notes yield better exam scores?
B) Do subjects prefer white wines when they are served chilled or at room temperature?
C) Do subjects with an internal locus of control learn to slow their heart rate more easily than those with an external locus of control?
D) Do you improve each time you take the same GRE practice test?

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Question 33

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Controlling Within-Subjects Designs Which of the following best illustrates the problem of carryover effects?

Advantages of a Within-Subjects Design All of these could practically limit the use of a within-subjects design except

Controlling Within-Subjects Designs ____ counterbalancing controls for progressive error for each individual subject and presents all treatment conditions more than once.

Controlling Within-Subjects Designs The experimenter assigned Robbie to all treatment conditions twice.He experienced the treatments first in one order and then in the opposite order.Which counterbalancing procedure did the experimenter use?

Controlling Within-Subjects Designs Researchers use partial counterbalancing procedures when

Advantages of a Within-Subjects Design A researcher has a better chance of detecting the effect of the independent variable using a within-subjects design because

Controlling Within-Subjects Designs If a researcher assigned each subject to the following sequence of five sets of treatments, BDCA DBAC ACDB CABD BADC, she used

Controlling Within-Subjects Designs ____ controls progressive error by presenting several complete sets of treatments, each in a different random order, to every subject.

Advantages of a Within-Subjects Design A within-subjects design primarily controls for ____ variables.

Controlling Within-Subjects Designs Latin square counterbalancing

A Within-Subjects Experiment: Homophone Priming of Proper Names In a ____ design, subjects participate in all levels of two or more independent variables.

Controlling Within-Subjects Designs Counterbalancing procedures

Controlling Within-Subjects Designs Whenever changes in performance occur because a condition falls in different places in a series of treatments, there is confounding due to

Controlling Within-Subjects Designs Chastity wants to use complete counterbalancing with four treatment conditions in a within-subjects design.How many subjects will she need?

Disadvantages of a Within-Subjects Design The hypothetical study of car-buying preferences was based on the premise that the type of car people first learn to drive influences later purchasing decisions.This study could not use a within-subjects design because

Controlling Within-Subjects Designs Reverse counterbalancing only controls for progressive error if the error is

Controlling Within-Subjects Designs Block randomization controls

Disadvantages of a Within-Subjects Design A within-subjects design would be either impossible or useless for