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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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.
Changing the instructions when administering a standardized achievement test will probably have the greatest influence on the test scores'
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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?
a. It provides for variation for children because students have contact with more than one teacher. b. Flexibility in the grouping of students becomes possible. c. It automatically creates a learning community. d. Building level scheduling can be simplified with the teachers working together in teams.