In 1972, a Very Controversial Study Asserted That Income Differences

question 36

Multiple Choice

In 1972, a very controversial study asserted that income differences among individuals did not depend on genetic differences in reasoning ability, or differences between schools, or family background.Moreover, the effects of level of schooling are much less than previously understood.After controlling for all of these background variables, much of the variation in earnings appeared to be random.From this analysis, one might reach the very controversial conclusion that earnings depended to a very great extent on

• A)human capital.
• B)ability.
• C)schooling.
• D)luck.

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Definitions:

Evaporates

The process by which a liquid turns into a vapor, typically as a result of being heated or exposed to air.

Carbon Cycle

The biogeochemical cycle through which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth.

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air and is absorbed by plants in photosynthesis.

Terrestrial Plants

Terrestrial plants are species that grow on land rather than in water, adapting to a variety of habitats from forests to deserts.