According to Piaget, the 6-month-old infant is in what stage of the sensorimotor phase?
a. Use of reflexes
b. Primary circular reactions
c. Secondary circular reactions
d. Coordination of secondary schemata
C
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A The use of reflexes is primarily during the first month of life.
B Primary circular reaction stage marks the replacement of reflexes with voluntary
acts. The infant is in this stage from age 1 month to 4 months.
C Infants are usually in the secondary circular reaction stage from age 4 months to
8 months. This stage is characterized by a continuation of the primary circular
reaction because of the response that results. Shaking is performed to hear the
noise of the rattle, not just for shaking.
D The fourth sensorimotor stage is coordination of secondary schemata. This is a
transitional stage in which increasing motor skills enable greater exploration of
the environment.
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