Mathematics, 07.08.2019 10:10 anymouse3455
Aresearcher gives a vitamin to half of the subjects in an experiment and a placebo (a pill with no active ingredient made to look like a vitamin) to the other half. the researcher is incorporating what aspect of successful experimental design in his study?
a. blocking
b. self-selection
c. bias
d. control
Answers: 1
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Aresearcher gives a vitamin to half of the subjects in an experiment and a placebo (a pill with no a...
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