Computers and Technology, 14.02.2020 03:27 natalie1755
A researcher administered a math test to a group of 9th graders in September. During the school year these students received an intensive program designed to improve their math skills. In May the math test was again given to these students and their math scores improved. A major problem in this research is that the researcher failed to control for:
A. Selection biases
B. Testing
C. History
D. The researcher failed to control for all of these choices
E. Maturation
Answers: 3
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Computers and Technology, 24.06.2019 07:00
Guys do you know sh27 cause he hacked me : ( pidgegunderson my old user
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A researcher administered a math test to a group of 9th graders in September. During the school year...
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