Which of the following is NOT a threat to external validity?
A) Statistical regression
B) Reactive arrangements
C) Convenience sampling
D) Multiple-treatment interference

Question

Quizplus · Accepted Answer

Statistical regression is a threat to internal validity, not external validity. External validity threats include factors like reactive arrangements, convenience sampling, and multiple-treatment interference, which affect the generalizability of the study results.

Which of the Following Is NOT a Threat to External