Which of the Following Statements Is Supported by Research on Child-Directed

question 93

Multiple Choice

Which of the following statements is supported by research on child-directed speech?

• A) Deaf mothers lack a style of communication similar to child-directed speech.
• B) By as early as 5 months, infants are more emotionally receptive to child-directed speech.
• C) Infants begin to prefer child-directed speech over other kinds of adult talk by age 2.
• D) Child-directed speech becomes less information-laden and more emotion-laden over the first year of life.

---

Definitions:

Real GDP

The total market value of all final goods and services produced in a country in a given year, adjusted for inflation.

Constant Returns To Scale

The property whereby long-run average total cost stays the same as the quantity of output changes.

Inputs

Factors including workforce, materials, and funds employed in the process of creating products or offering services.

Production

The process of combining various material inputs and immaterial inputs (plans, know-how) to make something for consumption.