A Participant in an Experiment Is Told That a Particular

question 39

Multiple Choice

A participant in an experiment is told that a particular pill should improve her performance on a cognitive task. The participant is then given the pill, and she performs better than usual on the task. In actuality, the pill did not contain any ingredients that would affect her performance on the task. The participant's improved performance was most likely due to

• A)the double-blind design.
• B)random variables.
• C)the placebo effect.
• D)confirmation bias.

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Definitions:

Hand Gestures

Physical movements of the hands that convey messages or emotions, varying significantly across different cultures.

Engaged

The state of being deeply involved or committed to an activity, idea, or project.

Cultural Background

The cultural, social, and familial influences that shape an individual's beliefs, values, and norms.

Age

A measure of the time an individual has existed since birth, often used as a significant factor in societal roles, legal status, and eligibility for certain activities.