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  3. when random assignment is not used, which of the f

When random assignment is not used, which of the following is an issue that may result? the...

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Psychology

When random assignment is not used, which of the following is anissue that may result?

the number of people in each treatment group is not known

treatment groups may differ on pre-existing characteristics

you cannot use pretests

no issues arise; only random selection reduces possibleissues

Answer & Explanation Solved by verified expert
4.3 Ratings (734 Votes)
Random assignment refers to the use of chance procedures in psychology experiment to ensure that each participant has the same opportunity to be assigned to any given group Study participants are randomly assigned to different groupssuch as the experimental groupor treatment groupRandom assignment might involve such tactics as flipping a coindrawing names out of a hatrolling diceor assigning random numbers of    See Answer
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