Mathematics, 28.08.2021 01:00 rodrickahammonds

Select the correct statement regarding experiments. A. A researcher can carefully control the explanatory variables but not observe human responses.
B. A researcher can ignore explanatory variables and observe human responses.
C. A researcher can carefully control the explanatory variables and observe human responses.
D. A researcher can observe the explanatory variables but not control human responses.

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Select the correct statement regarding experiments. A. A researcher can carefully control the expl...