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Exam 12: Experimental Control and Internal Validity

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Question 31

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Which of the following is true of an internal analysis?

A) The manipulation check is correlated with the dependent measure.
B) The confound check is correlated with the dependent measure.
C) The manipulation check is correlated with the independent variable.
D) The confound check is correlated with the independent variable.

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Question 32

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Which of the following is NOT a method by which experimenters control for extraneous variables?

A) Limited population designs
B) Random assignment to conditions
C) Matched group designs
D) Before after designs

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Question 33

Multiple Choice

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Cover stories are most likely to be used to prevent which of the following?

When the experimental manipulation creates the hoped-for changes in the conceptual variable, it is said to have

The extent to which changes in the dependent variable can confidently be attributed to the influence of the independent variable is known as

Elliot and Niesta (2008) tested the hypothesis that men would find a woman more attractive when she was surrounded by a red background than when she was surrounded by other colors.In their first study the researchers compared a woman in front of a red background and a woman in front of a white background.The possibility that in this study the white background was brighter than the red background represents which of the following?

The goal of treating all experimental participants in exactly the same way with the simple exception of the manipulation itself is known as

When a participant's expectation about what effect an experimental manipulation is supposed to have influences the dependent measure independently of the actual effect of the manipulation, the change in the dependent measure is called

Tova is participating in a study involving media awareness and conformity.After viewing a short film she fills out a conformity questionnaire.As Tova fills out the questionnaire, the questions lead her to guess that the research hypothesis is that the film will increase conformity.In this case the questions serve as a

Which of the following is a possible disadvantage of before after research designs?

Which of the following procedures would be likely to reduce experimenter bias?

In a one-way experiment testing the influence of mood states on performance, the manipulation check will be a measure of

Patricia is told by the experimenter that the lights in the experimental room may put people in a positive mood.Although the lights do not actually have any effect on mood, Patricia nevertheless begins to feel a positive mood.The change in mood probably represents which of the following?

The extent to which the experimental manipulation involves the participants in the research is called

An experimenter wishes to know if his research procedure is going to work as he hoped it would.What procedure might he use?

Which of the following refers to a measured variable used to determine whether the manipulation has unwittingly caused differences on other variables that might be systematically related to the independent variable?