Sometimes It Is Difficult If Not Impossible to Find a Control

question 48

Multiple Choice

Sometimes it is difficult if not impossible to find a control group that is sufficiently comparable to an experimental group to allow for a traditional two-group experimental design. In these cases, one may want to use a time-series design

• A) which is a quasi-experimental design involving multiple measures of the dependent variable on a single group, both before and after treatment.
• B) which is a strong experimental design involving multiple measures of the dependent variable on a single group, both before and after treatment.
• C) which is an experimental design using multiple dependent measures on the experimental group, then taking measures on control participants over time, as he or she can find them.
• D) staggers the time of presentation of the independent variable across participants.

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Definitions:

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