After conducting an experiment, Linda realizes that she smiled more often when interacting with the experimental group than when interacting with the control group. Which artifact may Linda have introduced into her experiment?
A) the double-blind procedure
B) the good subject effect
C) the Hawthorne effect
D) the experimenter expectancy effect

Question

Quizplus · Accepted Answer

Linda's behavior, smiling more often with the experimental group, could have influenced the outcomes of the experiment by subtly communicating her expectations to the participants. This is known as the experimenter expectancy effect, where the researcher's expectations influence the participants' behavior or outcomes.

After Conducting an Experiment, Linda Realizes That She Smiled More