The Correlations Between HOME Scores at 12 Months of Age

question 15

Multiple Choice

The correlations between HOME scores at 12 months of age and Stanford-Binet IQ at 36 months were about

• A) .2
• B) .4
• C) .6
• D) .8

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Definitions:

Network Effects

Increases in the value of a product to each user, including existing users, as the total number of users rises.

Rent-seeking Behavior

Activities undertaken by individuals or firms to increase their own wealth without creating new wealth, often through manipulating the social or political environment in which economic activities occur.

X-inefficiency

X-inefficiency occurs when a firm lacks the incentive to control costs, leading to inefficiency and higher expenditure than is necessary for the level of output produced.

Economies of Scale

Economies of scale refer to the cost advantage achieved by an increase in production, which typically leads to a reduction in average cost per unit as scale increases.