The Price of a Phone Call at a Pay Phone

question 329

Multiple Choice

The price of a phone call at a pay phone was 5 cents in 1950 and the price of a first-class stamp was 3 cents. In 2010, the pay phone costs 50 cents for a call and a first-class stamp costs 44 cents. We know that

• A) both the nominal and the relative price of phone calls increased from 1950 to 2010.
• B) both the nominal prices of phone calls and first-class stamps increased from 1950 to 2010, but the relative price of stamps increased and the relative price of phone calls decreased from 1950 to 2010.
• C) all prices increased from 1950 to 2010: Nominal prices of phone calls, first-class stamps, and the relative prices of phone calls and first-class stamps.
• D) both the nominal prices of phone calls and first-class stamps increased from 1950 to 2010, but we can't tell if the relative prices increased or decreased without more information.

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Definitions:

Prefrontal Cortex

The front part of the frontal lobes of the brain, involved in executive functions such as judgement, decision-making, and social behavior.

Generalization Gradient

A measure of how an organism responds to various stimuli that are similar but not identical to the conditioning stimulus, showing a gradation in response strength.

Perceptual Experience

The interpretation of sensory information to understand the environment around us.

Discrimination Learning

The process by which an organism learns to respond differently to similar stimuli based on their consequences, highlighting a differentiation capability.