Reflect on the Are You Equipped Now at the end of the chapter.What if some of the participants dropped out of the experiment before the end because it was not working to alleviate pain? This question is associated with which of the following threats to internal validity?
A)selection
B)maturation
C)regression to the mean
D)attrition

Question

Quizplus · Accepted Answer

This question is associated with the threat of attrition, which refers to participants dropping out of a study before it is completed. It can lead to a biased sample and impact the internal validity of the study.

Reflect on the Are You Equipped Now at the End