Random Assignment of Participants to the Various Groups in an Experiment

question 30

Multiple Choice

Random assignment of participants to the various groups in an experiment

• A) guarantees that the independent variable will affect the dependent variable.
• B) maximized the probability that extraneous variables will NOT have a differential effect on the various treatment groups.
• C) is essential if you want to generalize your results to the population.
• D) is very difficult to do and is therefore not commonly done.

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