You roll a ball across the floor to a baby. The ball rolls out of sight behind a chair. For the first time, the baby crawls to search for it. The baby is probably about

6 months old.
12 months old.
8 months old.
15 months old.

8 months old.

Psychology

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Both __________ disorder and __________ disorder are part of the category of anxiety

disorders. a. attention-deficit; phobic b. panic; autistic c. obsessive-compulsive; schizophrenic d. panic; obsessive-compulsive e. bipolar; panic

Psychology

According to Piaget, which of the following stages begins in adolescence?

A) Concrete operational B) Formal operational C) Preoperational D) Sensorimotor

Psychology