Because low levels of certain hormones may affect sexual functioning, some physicians may prescribe:

Ken is able to perform mathematical operations only if he can use real objects and familiar examples in working up his answers. Ken is in Piaget's _____ stage

A) sensorimotor B) preoperational C) concrete operational D) formal operational

Your 10-year-old daughter and her best friend just ended their nearly four-year-long friendship. Your daughter will not tell you why. Thinking about middle childhood from your development class, what is probably the reason?

a. Her friend betrayed her trust. b. Her friend probably showed interest in a boy that your daughter likes. c. They probably just have different interests now. d. Her friend probably told her that she is moving to a new school.