A nurse is interested in learning how reminiscence therapy can improve memory in cognitively intact persons over the age of 65 years
. Findings from three groups are compared. Group 1 receives music therapy, Group 2 receives life review therapy, and Group 3 does not receive therapy, but data are collected from all three groups and compared. Group 3 is known as the:
a. pilot study.
b. survey.
c. needs assessment.
d. control group.
ANS: D
Correct: A control group is a set subjects in an experiment who do not receive the experimental treatment and whose performance provides a baseline against which the effects of the treatment can be measured.
Incorrect:
a. A pilot study is a small feasibility study.
b. A survey is a nonexperimental research design that focuses on obtaining information regarding the status quo of a situation, often through direct questioning of participants.
c. Needs assessment is a study in which the researcher collects data for estimating the needs of a group, usually for resource allocation.
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