CLEP Intro to Educational Psychology Exam Prep

Category - CLEP Intro Educational Psychology

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Wendy wants a sip of her coffee. To pick up the coffee mug, she moves her hand in a straight line to the mug rather than walking her fingers across the table and twisting her arm to lift it. What theory of motor control explains this?

Efficiency theory
Synergy theory
Mass spring model
Both B & C

Explanation

Answer: A - Efficiency theory asserts that individuals evaluate possible movements for efficiency and select the most efficient movement. In this example, reaching for her coffee mug is more efficient than other movements Wendy could make that would lead to her sipping her coffee.

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