The threat to internal validity which involves participants dropping out of the study is known as ______.
A) history
B) maturation
C) attrition
D) testing

Question

Quizplus · Accepted Answer

Attrition refers to the dropping out of participants from a study, which can threaten the internal validity of the research. The loss of participants can potentially create bias and impact the overall representativeness of the sample. Choices A, B, and D refer to other threats to internal validity, but do not directly relate to the issue of participant attrition.

The Threat to Internal Validity Which Involves Participants Dropping Out