Although You Once Earned a 100 on Your Physics Exam

question 3

Multiple Choice

Although you once earned a 100 on your physics exam, you have subsequently been unable to earn a perfect score again. Your experience may be understood in terms of

• A) the illusory correlation.
• B) regression toward the average.
• C) the representativeness heuristic.
• D) counterfactual thinking.

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Definitions:

AC

Alternating Current, a type of electrical current where the flow of electric charge periodically reverses direction, commonly used in power supplies.

DC

Direct Current, an electrical current that flows in one direction only, typical in batteries and DC power supplies.

Shaded Pole

A type of single-phase induction motor design that uses a shaded pole for starting torque, commonly found in low-power applications.

Split-phase

A type of electrical power supply system that divides the electric power into two or more alternating current (AC) voltages.