Mathematics, 11.07.2021 23:30, Kathryn014

Confounding . a. is used when subjects are assigned to different groups through a process of random selection.

b. is a technique in which a subject doesn't know whether he or she is receiving a treatment or a placebo.

c. is the repetition of an experiment on more than one subject.

d. occurs in an experiment when you are not able to distinguish among the effects of different factors.

This question is related to statistics and probability

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Confounding . a. is used when subjects are assigned to different groups through a process of random...