contestada

In the context of experimental research, the logic of random assignment is:________
a. if participants in an experiment are assigned to each group by stratification, the actual differences between the groups will sustain over the long run.
b. if participants in an experiment are assigned to each group only by chance, the actual similarities between the groups will sustain over the long run.
c. if participants in an experiment are assigned to each group by stratification, the potential differences between the groups on other characteristics will cancel out over the long run.
d. if participants in an experiment are assigned to each group only by chance, the potential differences between the groups on other characteristics will cancel out over the long run.

Respuesta :

Answer: The answer is D

Explanation:

The logic of random assignment is to assign individual participants into different groups in an experiment through randomization so as to give every participants an equal chance of being assigned to any group, and reduce other characteristics that could influence the differences between the groups at the end of the experiment.

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