Which of the following is NOT a potential threat to the internal validity of experiments
A)maturation
B)statistical regression
C)multiple treatment effects
D)selection

Question

Quizplus · Accepted Answer

Multiple treatment effects are not a threat to internal validity; instead, they relate to issues that might arise when participants are exposed to more than one treatment, which is more about the design and interpretation of experiments rather than a threat to internal validity. Maturation, statistical regression, and selection are all classic threats to internal validity, affecting the ability to draw causal inferences from the data.

Which of the Following Is NOT a Potential Threat to the Internal