Laura was conducting a study on two treatment interventions to increase patriotism. During her study, terrorist attacks on a federal building occurred. Laura should be concerned with which of the following validity threats?
A) Statistical regression
B) Instrumentation
C) History
D) Testing

Question

Quizplus · Accepted Answer

The terrorist attacks on a federal building represent a historical event that could impact the results of the study. This is known as the history threat to validity. It is possible that the attacks could have affected participants' levels of patriotism, regardless of the intervention they received. Therefore, Laura should be concerned with this potential confounding variable when interpreting her results.

Laura Was Conducting a Study on Two Treatment Interventions to Increase