All of the following statements indicate the risks that attrition presents for an experiment, EXCEPT:
A) People dropping out of the experimental group may have different characteristics than people dropping out of the control group.
B) Participants in any experiment can withdraw at any time so attrition risks are the same for all experiments.
C) Attrition can especially bias the results of an experiment that places high demands on its participants.
D) Differential attrition can affect the generalizability of the results of a long experiment.

Question

Quizplus · Accepted Answer

This statement is incorrect because attrition risks can vary depending on the experiment and its demands on participants. The other statements correctly indicate the potential risks of attrition, including biasing results and affecting the generalizability of findings.

All of the Following Statements Indicate the Risks That Attrition