If the experimenter wants to study a drug that might interfere with memory, then the floor effect would be a problem to avoid.

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The floor effect occurs when most participants in a study score at or near the minimum possible score on a measure. This makes it difficult to detect any differences between treatment groups. In the case of studying a drug that might interfere with memory, a floor effect would not be a problem to avoid, but rather an indication that the drug is having an effect on memory.

If the Experimenter Wants to Study a Drug That Might