In a Within-Subjects Design,the Term "Participant Attrition" Refers to the Possibility

question 18

Multiple Choice

In a within-subjects design,the term "participant attrition" refers to the possibility that ____.

• A)​the scores may differ from one treatment to another because of outside events
• B)the scores may differ from one treatment to another because of changes in the?measuring instrument
• C)the scores may differ from one treatment to another because the participants gain?experience in each treatment
• D)​some of the individuals in the study may leave without completing all of the treatment
• Conditions

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