Through subtle hints, such as the tone of his voice, body language, and by giving encouragement and criticism, Dr. Mansour unintentionally influenced his subjects so that they reacted in ways that were consistent with his experimental hypothesis. This example demonstrates the
A)researcher bias.
B)placebo effect.
C)anthropomorphic bias.
D)extraneous effect.

Question

Quizplus · Accepted Answer

Researcher bias occurs when the experimenter's expectations or preferences about the outcome of the study influence the participants' behavior, leading to results that confirm the hypothesis. In this case, Dr. Mansour's subtle cues, like tone of voice and body language, could have influenced the subjects' reactions, aligning them with his expectations, thus demonstrating researcher bias.

Through Subtle Hints, Such as the Tone of His Voice