A Psychologist Compared the Drawings of 4-Year-Olds to Those of Their

question 18

Multiple Choice

A psychologist compared the drawings of 4-year-olds to those of their older brothers and sisters.This is an example of which kind of study?​

• A)Longitudinal​
• B)​Cross-sectional
• C)​Projective
• D)​Implicit

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Definitions:

Long-run Average Total Cost

The cost per unit of output in which all inputs, including capital, are variable, showing economies and diseconomies of scale over time.

Increasing Returns to Scale

A situation in which a proportional increase in all inputs results in a more than proportional increase in output, demonstrating economies of scale.

Law of Diminishing Returns

An economic principle stating that, holding all else constant, as one input variable is increased, there is a point at which the marginal per unit output starts decreasing.