Question 1

At what age does the ability to use expressive language typically first appear in infants?

Accepted Answer

Around 12 or 13 months

Question 2

Which of the following best describes 'telegraphic speech' in early language development?

Accepted Answer

Two-word sentences that include a noun and verb, but lack inflections

Question 3

During the vocabulary spurt, what is the average number of words a 24-month-old child typically knows?

Accepted Answer

Exceeds 300 words

Question 4

Which factor is most likely to influence the speed of language acquisition in young children?

Accepted Answer

The number of languages to which the child has daily exposure

Question 5

According to Piaget, which milestone is NOT part of the sensorimotor stage?

Accepted Answer

Formal operational thought

Question 6

Which statement about language development across cultures is TRUE?

Accepted Answer

Telegraphic speech emerges around 18 months in every language

Question 7

What is a pragmatic marker in Japanese language development?

Accepted Answer

A part of speech that tells something about the feeling or context

Question 8

Which of the following is a risk factor for below-average language development in infants?

Accepted Answer

Poverty

Question 9

A child who begins using individual words at 8 months is demonstrating which aspect of language development?

Accepted Answer

Early individual differences in language acquisition

Question 10

Which of the following best explains why action words appear later than object names in early vocabulary development?

Accepted Answer

Action words are less frequently used by adults

Question 11

If a 16-month-old child has a vocabulary of 50 words, what is the expected vocabulary size by 24 months according to the vocabulary spurt phenomenon?

Accepted Answer

$$\u003e 300$$

Question 12

Which developmental milestone is associated with the ability to organize information into categories in infancy?

Accepted Answer

Categorization

Question 13

A child who does not catch up in language development by age 6 is most likely to have difficulties with which aspect?

Accepted Answer

Receptive language

Question 14

Which theory claims that infants learn language primarily through parental reinforcement?

Accepted Answer

Behaviorist theory

Question 15

What is the sequence of earliest sounds produced by babies according to the study materials?

Accepted Answer

Cries, coos, babbling, gestures

Question 16

Which of the following is a feature of the first sentences produced by children between 18 and 24 months?

Accepted Answer

Two-word sentences with missing inflections

Question 17

How do infants distinguish between object names and other types of words?

Accepted Answer

By their frequency of use

Question 18

Which of the following is NOT a similarity in language development across cultures?

Accepted Answer

Word order of telegraphic speech is identical in all languages

Question 19

Which assessment tool is considered a more robust way to study infant intelligence?

Accepted Answer

Bayley Scales of Intellectual Development-III

Question 20

A parent uses high-pitched, repetitive speech when talking to their infant. What is the likely effect of this behavior?

Accepted Answer

It helps the infant learn language by attracting attention to simple expressions

Language Development in Infancy and Early Childhood

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