Marcella Has Decided to Switch from Playing the Oboe to the Flute

question 29

Multiple Choice

Marcella has decided to switch from playing the oboe to the flute. She knows that the notes she plays will be moving to a higher pitch, which is to say that they will be increasing their

• A)wavelength.
• B)frequency.
• C)amplitude.
• D)timbre.

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Definitions:

Yerkes-Dodson Law

The psychological principle stating that performance is best under conditions of moderate arousal rather than either low or high arousal.

Moderate Arousal

Refers to an optimal level of alertness or physical and mental activation at which performance on a task is best.

Cholecystokinin (CCK)

a hormone that is released by the intestines in response to eating certain foods and stimulates the digestion of fat and protein.

Motivation

The process that initiates, guides, and maintains goal-oriented behaviors, driving individuals to pursue and achieve their objectives.