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Social Studies, 22.04.2020 01:42 getsic

Ron is conducting an experiment that lasts several hours. During part of the experiment, a noisy power saw operates outside the room. Ron is concerned that responses may be influenced by the power saw instead of his independent variable. This example illustrates the potential problem of

a. instrumentation
b. testing
c. history
d. selection

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Ron is conducting an experiment that lasts several hours. During part of the experiment, a noisy pow...

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