Can watching a movie temporarily raise your pulse rate? Researchers have 50 volunteers check their pulse rates. Then they watch an action film, after which they check their pulse rates once more. Which aspect of experimentation is present in this research?
A) randomization
B) blinding
C) none of these
D) a placebo
E) a control group

Question

Quizplus · Accepted Answer

None of these. The given scenario lacks any of the essential components of experimentation such as randomization, blinding, a placebo, or a control group. It is just an observation without any scientific setup.

Can Watching a Movie Temporarily Raise Your Pulse Rate? Researchers