Opiates exert their powerful effect on the body by

K. Warner Schaie's sequential studies research suggests that fluid intelligence (the ability to deal with new problems and situations) declines with age

While crystallized intelligence (the store of information, skills, and strategies that people have acquired) remains steady and in some cases actually improves. Indicate whether the statement is true or false

_____ techniques have been shown to produce positive outcomes for children who have been maltreated

Fill in the blank(s) with correct word