Applying your knowledge of random assignment, which statement is correct?
A) Random assignment is accomplished with random sampling.
B) Grouping participants with similar features together is the best way to achieve random assignment.
C) Random assignment ensures that the study is a true experiment.
D) Recruiting participants from significantly different neighborhoods results in random assignment.
C
Feedback:
Experimental designs involve placing participants in groups at random. Through randomization (or random assignment), every participant has an equal chance of being included in any group. Randomization is a critical characteristic of a true experimental study. The other answers are not true of random assignment. Random sampling is a method of selecting people for a study and is not used to accomplish random assignment.
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