In the independent groups' design, selective subject loss occurs because of which of the following?
A. Subjects are lost differently across conditions
B. Subject characteristics are responsible for subject loss
C. Subjects are lost uniformly across conditions
D. Subject characteristics are independent of subject loss
Choose the correct answer from the options given below:
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Correct answer: A. A and B only
Explanation
Selective subject loss happens when subjects drop out unequally across conditions because of their own characteristics, threatening internal validity.
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