If you are interviewing emergency responders about disaster preparedness and during the course of the study, a major flood occurs elsewhere which is heavily documented by the media. What form of threat to internal validity might you be concerned about?
A) concurrent event threat
B) maturation threat
C) history threat
D) instrumentation threat

Question

Quizplus · Accepted Answer

A history threat to internal validity occurs when external events happen concurrently with the experimental study that may influence the participants' responses or behaviors. In this case, the major flood happening elsewhere and being heavily documented by the media could influence the emergency responders' thoughts, feelings, or attitudes about disaster preparedness, thus affecting the study's outcomes.

If You Are Interviewing Emergency Responders About Disaster Preparedness and During