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How important is selection/matching of members of each group - no less than 50 words? As...

How important is selection/matching of members of each group - no less than 50 words?

As part of your answer explain some of the potential consequences of not selecting/matching participants in a study – no less than 50 words?

Social-Sciences   Psychology   
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Answer #1

Matching of Members or participants refers to the selection of control group subjects based on the similarity of specific criteria. It is a process whereby the confounding variables of all participants are considered and members are selected for the control group based on how well they “match” the overall characteristics of the experimental group. Hence Matching is important

Now coming to second part, about the consequences of not matching the participants, it can be said that in quasi-experimental research, it is not possible to randomly assign subjects into experimental and control groups. Without random assignment to control for confounding variables, inherent differences in the experimental and control group test subjects may impact the results.

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