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Group designs can be valuable to social work research, particularly if the goals of the research are to explain, predict, or daim causal inferences. Many of these methodologies involve using control or comparison groups. What makes these two groups different?

A. Random assignment
B. Validity
C. Reliability
D. Random sampling

Respuesta :

maryasay

Answer: A. Random assignment

Explanation:

During a social work research, a group is created to test the reliability of the results. The people in this group are not given any treatment and if they are, they are given a different treatment. Depending on whether the group was randomly chosen or not, this group is called a comparison group or a control group. While a control group is randomly assigned, a comparison group is not.

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