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Frank is learning the names of two or three new objects or events every day.This rapid increase in vocabulary is referred to as the _____ explosion.


A) naming
B) vocabulary
C) object
D) cognitive

E) A) and C)
F) B) and D)

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An average calculated from many individuals within a specific group is called a norm.

A) True
B) False

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Twelve-month-old Iona has slept in her parents' bed since she was born.This custom is called:


A) co-bedding.
B) shared sleep.
C) sleep accommodation.
D) co-sleeping.

E) A) and C)
F) All of the above

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Neurons in the brain meet at "intersections" called:


A) synapses.
B) cortexes.
C) axons.
D) dendrites.

E) All of the above
F) A) and D)

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On average,which skill does an infant develop last?


A) pulling up onto feet
B) standing alone without holding on
C) sitting without support
D) standing while holding on

E) A) and C)
F) B) and C)

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Infants in the sensorimotor stage:


A) learn to use language to express sensations.
B) think of past and future events.
C) use senses and motor skills to understand the world.
D) think logically and critically.

E) A) and B)
F) B) and D)

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_____ believed that children learn language by receiving adequate parental attention.


A) Jean Piaget
B) B.F.Skinner
C) Noam Chomsky
D) Lev Vygotsky

E) B) and C)
F) A) and D)

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Elizabeth is a 21-month-old who has just begun to make two-word sentences.Her sentences already reveal the grammar of her native language,as she orders her nouns and verbs in the order that mature speakers of her language use.Chomsky would attribute Elizabeth's quick attainment of grammatical rules to her:


A) intelligence.
B) parents' correct use of grammar.
C) language acquisition device.
D) receiving reinforcement for proper language use.

E) All of the above
F) A) and B)

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Amanda is a speech and language therapist.When conducting an assessment on a child with speech or language concerns,she first records the average number of words in the child's typical sentence.She also uses this technique to monitor a child's language progress over time.Amanda is relying on:


A) subjective data.
B) biofeedback.
C) mean length of utterance.
D) the language acquisition device.

E) B) and C)
F) A) and C)

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Cassandra and her mother have been playing patty-cake,but her mother is now trying to engage Cassandra in a picture book.Cassandra wants to play patty-cake again,so she grabs her mother's hands and puts them together as if in a clap.Cassandra is clearly in stage ____ of sensorimotor development.


A) one
B) two
C) three
D) four

E) B) and D)
F) A) and D)

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The behavior of an infant in sensorimotor stage four might BEST be described as:


A) goal oriented.
B) redundant.
C) stubborn.
D) unintentional.

E) A) and B)
F) A) and C)

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Dev has been sucking his thumb for a few weeks.His parents would prefer him to use a pacifier,so they begin to offer one,but Dev rejects it and continues to suck his thumb.Dev is at stage _____ of Piaget's theory of sensorimotor development.


A) one
B) two
C) three
D) four

E) None of the above
F) B) and C)

Correct Answer

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A child's first word combinations-for example,"More cookie" or "My toy"-are called "holophrases."

A) True
B) False

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_____ milk contains micronutrients not found in formula.

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The nervous system is made up of nerve cells called "_____."

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The term holophrase is used to denote:


A) a word that is empty of meaning.
B) the infant's use of one word to express a whole thought.
C) the relationship of object permanence to language development.
D) the use of two words to take the place of one.

E) B) and C)
F) A) and C)

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By _____ months of age,around 50 percent of babies can usually sit up unsupported.


A) 2
B) 4
C) 6
D) 8

E) B) and C)
F) None of the above

Correct Answer

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The statement "Multiple attentional,social,and linguistic cues contribute to early language learning" supports the _____ system of language learning.


A) behavioral
B) epigenetic
C) hybrid
D) social impulse

E) A) and B)
F) All of the above

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Between _____ months of age,most infants can lift their midsections and crawl on "all fours."


A) 8 and 10
B) 10 and 12
C) 12 and 14
D) 14 and 16

E) B) and C)
F) A) and B)

Correct Answer

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Babies in the stage of tertiary circular reactions explore the world,actively experimenting on their environment.

A) True
B) False

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