Explain the importance of control in experimental research.

What will be an ideal response?


Ans: In experimental research you “control” for confounding variables through the design and conduct of your experiment. Controlling for these variables allows the researcher to describe the relationship between the independent and dependent variables. Controlling for these variables eliminates the differential influence they may have. As a result, through control, we have groups that are more similar to begin with so that differences in them later on can be attributed to the experimental manipulation and not extraneous or confounding variables.

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Fill in the blank(s) with correct word

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The term learning disabilities has been used since the first national organization meeting of parents and professional

groups in a. 1947. b. 1963. c. 1969. d. 1974. e. 1982.

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Changing the instructions when administering a standardized achievement test will probably have the greatest influence on the test scores'

A. interpretability. B. objectivity. C. reliability. D. relevance to local objectives.

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Which of the following is not on the list of arguments favoring the creation of teaching teams instead of operating with self-contained classrooms in elementary schools?

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