A Researcher Discovers That Extroverts Solve Problems Better Than Introverts

question 3

Multiple Choice

A researcher discovers that extroverts solve problems better than introverts when in a large room, but that introverts do better than extroverts in a small room. Which of the following is true?

• A) this outcome describes a main effect for room size
• B) this outcome describes a main effect for personality type
• C) this outcome describes a person by environment (P x E) interaction
• D) in this study, there were two main effects (room size and personality type) but no interaction

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Definitions:

Eye Muscles

The six muscles attached to the outside of each eyeball that control eye movement and allow the eyes to track moving objects.

Blepharoptosis

A condition where there is drooping or falling of the upper eyelid.

Eyelid

A fold of skin that covers and protects the eye.

Macular Degeneration

A medical condition which may result in blurred or no vision in the center of the visual field due to damage to the macula.