DrStanley Predicts That Interviewers Who Smile at Their Interviewees Are

question 41

Multiple Choice

Dr.Stanley predicts that interviewers who smile at their interviewees are more effective at eliciting honest responses than interviewers who do not.To study this,he asks Stacy to smile at the experimental group of interviewees and not smile at the control group of interviewees.In this study,Stacy is the

• A)confounder.
• B)variable.
• C)experimenter.
• D)confederate.

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Definitions:

Tympanic Membrane

A thin, cone-shaped membrane that separates the external ear from the middle ear and vibrates in response to sound waves.

External Acoustic Meatus

The external passage leading into the ear, facilitating the travel of sound waves from the outside to the eardrum.

Tympanic Cavity

The air-filled space in the middle ear that contains the auditory ossicles, important for sound transmission.

Auricle

The external, visible part of the ear that captures sound waves and directs them into the ear canal; also known as the pinna.