Diaz Conducts a Decision-Making Experiment to Determine If People Reason

question 120

Multiple Choice

Diaz conducts a decision-making experiment to determine if people reason more logically when they have more time to decide.All the participants who are under 40 are allowed 15 minutes to reach a decision about a problem; all the participants who are over 40 are allowed 20 minutes to reach a decision about the same problem.Diaz has a problem with his experimental design because

• A) there are two control groups and no experimental group.
• B) the time allowed for the decision is confounded with the independent variable.
• C) there is no dependent variable in the experiment.
• D) the age of the participants is confounded with the independent variable.

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Definitions:

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