Which of the Following Statements About Individual Differences in Early

question 88

Multiple Choice

Which of the following statements about individual differences in early vocabulary growth is true?

• A) Boys are slightly ahead of girls in early vocabulary growth.
• B) Shy toddlers' vocabularies typically increase slowly after they start to speak.
• C) Children from low-SES homes usually have smaller vocabularies than their higher-SES agemates.
• D) Boys and girls' vocabularies tend to develop at the same rate.

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Definitions:

Diastereomers

Non-mirror-image stereo isomers that have varying physical and chemical properties from each other.

Stereocenters

Chiral centers in a molecule, points at which the molecule can adopt different spatial arrangements leading to different stereoisomers.

Stereogenic Centers

Atoms within a molecule that are bonded to four different substituents, giving rise to stereoisomerism.

Diastereomers

Stereoisomers that are not mirror images of each other and possess different physical and chemical properties.