Research Has Found That Child-Directed Speech Is _____

question 33

Multiple Choice

Research has found that child-directed speech is _____.

• A) confined to females; males do not use it
• B) spoken in a high pitch with simple vocabulary and short sentences
• C) unique to English-speaking parents
• D) spoken in a low pitch with the use of nonsense words

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Definitions:

Average Variable Costs

an economic measure representing variable costs (expenses that change with production levels) averaged over a quantity of output.

Marginal Cost Curve

A graphical representation showing how the cost to produce one additional unit of a good changes as the production volume is increased.

Average Variable Cost Curve

A graph that displays how the variable cost per unit changes with changes in output level.

Marginal Cost Curve

A graphical representation that shows how the cost of producing one more unit of a good varies as the production level increases.