Question

Ron is running an experiment to see if certain sounds can improve memory. While testing the subjects’ memory, Ron unintentionally smiles when the subjects seem to be arriving at the proper answer. His smile helps the subject pick the correct answer. In this case, Ron is showing

A. invalid experimental placebos.
B. experimental bias.
C. experiment effect.
D. informed consent.

Answer 1

The answer is A!
Ron is showing an invalid experimental placebo in this experiment due to the positive response.

goodluck, :)