a researcher tests the effects of a skills enhancement program by measuring the change in social adjustment of a group of handicapped children before and after they have completed the program against a change in adjustment over the same time period for an equivalent group of children who had not participated in any therapy. the children who went through the program showed significantly greater increase in social adjustment functioning over time. the research design is

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The research design is a comparison group before-after.

The broad strategy used to conduct research, known as "research design," develops a clear and logical method to address a predetermined study topic through the collection, interpretation, analysis, and presentation of data.

The framework of the strategies and techniques a researcher chooses to conduct a study is referred to as the research design. The design makes it possible for researchers to concentrate on creating study methods that are appropriate for the subject and set up their investigations for success.

Experimental, correlational, descriptive, diagnostic, and explanatory research designs are among the various types available.

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