and Answers | Latest 2026–2027 Update |
Developmental (Lifespan) Psychology | Portage
Learning | Verified Solutions | Grade A
Q: In which Sensorimotor substage do infants learn to use symbols?
Answer
Internalization of Schemas
Q: Thirteen-month-old Jack is staying with a new babysitter until Mom and Dad
return from a date. Jack was not upset when his parents left, and when they return, he
basically avoids them. With what attachment style would Ainsworth most likely classify
Jack?
Answer
Insecure Avoidant Attachment (type A)
Q: Rooting Reflex
Answer
involves the baby turning their head when their cheeks or mouth is touched
,Q: Stepping Reflex
Answer
involves the infant making stepping motions when held above a surface
Q: Moro Reflex
Answer
is a startle response in which the infant arches their back and throws out their arms and
legs
Q: Grasping reflex
Answer
involves the infant grabbing something that touches her palm
Q: True or false? Piaget's estimation of the timing of achieving object permanence is
now thought to be too pessimistic.
Answer
True
Q: During which Sensorimotor substage do infant reflexes start to go away and infant
behavior become more intentional and habit-forming: Primary Circular Reactions,
Tertiary Circular Reactions, or Coordination
Answer
,Primary Circular Reactions
Q: Which Sensorimotor substage is characterized by experimentation with objects and
may even interact with multiple objects: Primary Circular Reactions, Secondary Circular
Reactions, or Tertiary Circular Reactions
Answer
Tertiary Circular Reactions
Q: According to Piaget, in which of the sensorimotor stage's substage do infants
experiment with toys, such as by playing with an object in different ways?
Answer
Tertiary Circular Reactions
Q: What is the name of the successful outcome of Ainsworth's Strange Situation? Hint:
it is an attachment style
Answer
Secure Attachment
, Q: During Mary Ainsworth's Strange Situation, name one aspect of the infant or
child's behavior that is observed
Answer
One aspect of the infant or child's behavior that is observed is the reaction to the mother
leaving the room
Q: nREM (non-REM, or non-rapid eye movement; also known as regular sleep)
Answer
when the baby is nearly motionless
Q: How is an infant's achievement of object permanence related to her ability to bond
with her parents?
Answer
Needs to be able to remember parents in order to attach
Q: Baby fat usually peaks at ___________ months of age.
Answer
nine
Q: The __________________ reflex involves a baby turning their head when their
cheek is touched.
Answer
rooting