The Study Examining Infants' Ability to Do Simple Arithmetic That

question 27

Multiple Choice

The study examining infants' ability to do simple arithmetic that showed infants one or two dolls and then either added or subtracted a doll from behind a screen demonstrated that infants were surprised in which of these scenarios? Scenario A: A doll is placed behind a screen where another doll was initially present, and lowering of the screen reveals a single doll.
Scenario B: A doll is removed from behind a screen where two dolls were initially present, and lowering of the screen reveals a single doll.
Scenario C: A doll is placed behind a screen where another doll was initially present, and lowering of the screen reveals two dolls.
Scenario D: A doll is removed from behind a screen where two dolls were initially present, and lowering of the screen reveals two dolls.

• A) both scenarios A and D
• B) both scenarios B and C
• C) scenario A only
• D) scenario C only

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Definitions:

Potential Output

The highest level of real GDP (gross domestic product) that can be sustained over the long term without increasing inflation.

Expected Price Level

The anticipated average level of prices for all goods and services in an economy for a future period, influenced by current and forecasted economic conditions.

Real Wage

The buying capacity of salaries once corrected for inflation, showing the amount of products and services that can be purchased.

Nominal Wage

The wage or salary paid to labor in current dollars, unadjusted for inflation, representing the face value of earned income.