Biology Forums - Study Force

If an infant cries when the mother puts her down and walks away, and then stops crying when she picks the infant back up, does this represent an understanding of object permanence?
 
  a. yes
  b. no
  c. yes, but only if the child is at least 2-months-old
  d. Not necessarily. It depends upon whether the child has a mental representation of the mother.

Question 2

What appears to trigger the production of higher levels of estrogen associated with the initiation of puberty in girls?
 
  a. a certain body weight
  b. a particular amount of body fat
  c. fat cells secreting a protein that signals the brain
  d. All of these work to trigger estrogen production.

Question 3

What does the phrase A not B error mean?
 
  a. Children will not search for hidden objects unless given an incentive.
  b. Children will randomly search for hidden objects, but will quickly become frustrated and give up.
  c. A child may reach for a hidden object where it has always been, yet still reach there even when they see the toy hidden somewhere else.
  d. A child will search for a hidden toy but will quickly become distracted by other, more interesting objects.

Question 4

During the past century and a half, the average age of menarche in the United States has plummeted. This is an example of:
 
  a. proximodistal growth. c. secular trend.
  b. cephalocaudal growth. d. the effects of excessive estrogen.

Question 5

According to Piaget's cognitive-developmental theory:
 
  a. children develop the skills that lead to object permanence by 3 months of age.
  b. children develop an understanding of object permanence all at once.
  c. children come to understand object permanence even without prior experience.
  d. children develop object permanence before they develop emotional bonds to specific caregivers.

Answer to q. 1

D

Answer to q. 2

D

Answer to q. 3

C

Answer to q. 4

C

Answer to q. 5

D