Sometimes it is impossible to "inform" the participant fully at the beginning of an experiment because
A) participants really don't want information
B) disclosing all information about the experiment might influence participants' behavior and invalidate the experiment.
C) participants cannot always guarantee their ability to come to all sessions of an experiment.
D) the research design being used is too sophisticated for participants to understand.

Question

Quizplus · Accepted Answer

Disclosing all information about an experiment upfront can sometimes influence participants' behavior, leading to biased or invalid results. This is known as demand characteristics, where participants alter their behavior based on their perceptions of the experiment's purpose.

Sometimes It Is Impossible to "Inform" the Participant Fully at the Beginning