_________ is the most common form of child maltreatment

Individuals with Down syndrome are:

a. unlikely to have difficulty in regular school classes. b. mentally retarded due to neglect during infancy. c. mentally retarded, except for one specific ability in which they excel. d. born with an extra chromosome.

According to Thomas and Chess's research, __________ children are at high risk for anxious withdrawal and aggressive behavior in early and middle childhood

A) inhibited B) easy C) slow-to-warm-up D) difficult