Little Rebekah is very proud of herself. She can now pour herself a glass of juice without spilling a drop. If she's developing normally, this means she's probably about how old?
A) 9 months
B) 12 months
C) 15 months
D) 18 months
Question 2Little Jerzy has just learned how to roll over from his back onto his stomach. If he's developing normally, this means he's probably about how many months old?
A) 5
B) 6
C) 7
D) 8
Question 3Mara should be able to put on her own clothes by the time she is
A) 6 months old.
B) 1 year old.
C) 1? years old.
D) 2 years old.
Question 4Cross-cultural studies of motor development indicate that
A) all children develop at exactly the same rate.
B) children from urban, industrialized cultures develop much more quickly than those from rural, developing countries.
C) children from rural, developing countries always make faster progress on all forms of motor development.
D) cultural expectations can change how children's motor development progresses.
Question 5The timing of motor development in children
A) is influenced by parental expectations.
B) is entirely determined by genetics.
C) is entirely dependent on a baby's diet.
D) cannot be modified because it is highly canalized.
Question 6Cindy and Dave are thrilled that baby John has learned to take a few shaky steps on his own when he is only 9 months old. His older brother Alex didn't learn to do that until he was 19 months old. Is John really a wonder child?
A) Yes. This is very early to learn to walk.
B) Yes. This is very early to learn to walk, but they should worry about Alex, who seems far behind the normal rate of development.
C) No. But they should worry about Alex, who seems to be very far behind the normal rate of development.
D) No. John and Alex are still within the normal range for learning to walk.
Question 7Many of a newborn's reflexes seem to disappear over time. Researchers suspect that this is due to
A) neurological damage or deterioration.
B) inhibition by higher cortical processes.
C) neurogenesis.
D) conflict between the genotype and phenotype.
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