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Exam 10: Experiments: Researching Cause and Effect

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Question 21

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Experimenter bias is a threat to internal validity stemming from the experimenter's own judgments.

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Question 22

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Control, for the purpose of experimental design, limits the movement of participants.

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The Hawthorne effect refers to increases in worker productivity explained by workers apparently interpreting research by management as management taking an interest in them.

Explain, with examples, the difference between internal and external validity in experimental design.

Explain, with examples, the concepts of attrition, maturation, and diffusion.

The goal of experimental design is to determine correlations.

Diffusion helps ensure internal validity.

Good experimental design does not require ______.

Which of the following is NOT a threat to internal validity?

The term "ecological isomorphism" refers to the extent to which the ______.

Experimental settings are not a threat to external validity because they reflect external reality.

Which of the following is the most sophisticated experimental design?

In experimental research, diffusion means that a treatment effect spreads from group to group.

List at least one advantage and one disadvantage of online experiments.

In asking about the validity of an experiment, a researcher is asking whether the experiment captured the concepts the researcher intended to capture.

To determine causation, the dependent variable must be caused by the independent variable.

A spurious relationship occurs where a relationship between variables has been found but is actually explained by another variable the researcher was not focused on.

What is the reason online experiments have been slower to gain popularity when compared to online surveys?

A two-by-two experimental design with 10 people per experimental condition would require ______ participants.

Explain, with examples, the concept of "control" in experimental design.