Development and language :Introduction to Psychology (Introduction to Psychology) Answers 2026

Question 1

Peek-a-boo shows infants lack:

❌ a. reversibility
❌ b. theory of mind
✅ c. object permanence
❌ d. centration
❌ e. conservation

Explanation:
Infants enjoy peek-a-boo because they do not yet fully understand object permanence.

Question 2

The three mountains task examines:

✅ a. egocentrism
❌ b. environmentalism
❌ c. reflexes
❌ d. accommodation
❌ e. none of the above

Question 3

Children acquire many Piagetian abilities:

✅ a. earlier than Piaget suggested
❌ b. at the same time
❌ c. later than Piaget suggested

Question 4

Infants looked:

✅ a. longer at the impossible than the possible event
❌ b. longer at the possible event
❌ c. equally long
❌ d. tried to retrieve the object

Question 5

Who says “the refrigerator”?

❌ a. someone with autism
❌ b. a 3-year-old
❌ c. a 10-year-old
✅ d. (a) and (b) are both correct
❌ e. all correct

Explanation:
Autistic individuals and young children often answer based on reality, not belief.

Question 6

Morphemes in “monster”:

✅ a. 1
❌ b. 2
❌ c. 3
❌ d. 4

Question 7

Babies show greater sensitivity than adults in:

✅ a. phonology
❌ b. morphology
❌ c. syntax
❌ d. recursion

Question 8

Babies learning sign language are delayed:

❌ a. true
✅ b. false

Explanation:
They do babble—with their hands.

Question 9

Most likely to learn a language like a native speaker:

✅ a. a 10-month-old baby
❌ b. a 10-year-old
❌ c. a motivated adult
❌ d. (a) and (b)
❌ e. all

Question 10

Evidence language isn’t required for abstract thought:

❌ a. aphasia alone
❌ b. infants & false beliefs
❌ c. infant math understanding
✅ d. all of the above

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