Which of the following can be used to limit the "Hawthorne Effect" of participants changing behaviors because of their awareness of being observed?

Question

Quizplus · Accepted Answer

The Hawthorne Effect can be limited by using an experimental group to observe changes, a control group that receives attention to mimic the observation effect without the actual intervention, and a control group that receives no special attention to serve as a baseline. All three groups help in isolating the effect of observation from the effect of the intervention itself.

Which of the Following Can Be Used to Limit the "Hawthorne