Examlex
Joe's Bar and Grill uses two inputs, beer and pretzels.When the price of beer was $10 a case and the price of pretzels was $20 a case, Joe used 1 case of beer and 2 cases of pretzels a day.When the price of beer was $20 a case and the price of pretzels was $10 a case, Joe used 2 cases of beer and 1 case of pretzels a day.Joe produced the same output in each of these circumstances.
Flynn Effect
The observed substantial and long-term increase in both fluid and crystallized intelligence test scores measured in many parts of the world over the 20th century.
IQ Scores
Standardized scores derived from intelligence tests that measure a person's cognitive abilities in relation to their age group.
Peter Principle
A principle suggesting that individuals in a hierarchy tend to be promoted until they reach a level of respective incompetence.
Opposite-Sex Twins
Twins of a multiple birth consisting of one male and one female sibling.
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