Sometimes intellectual disability is not identified until the child enters formal education

A behavioral psychologist tries to train a bird to climb a tree to get a reward of a piece of fruit. At first, the bird learns how to climb the tree with its legs and beak

After a while, it starts flapping its wings and hopping around before it starts to climb. Eventually, the bird flies up to the piece of fruit, even though that prevents it from getting the fruit. According to the Brelands' analysis of biological constraints, the bird is demonstrating __________. a) response generalization b) instinctive drift c) the Law of Effect d) stimulus discrimination

In a study conducted by Coleman and colleagues (2008), ____ of American women aged 50–64 reported receiving regular mammograms to screen for breast cancer, compared to ____ of British women

a. over 90%; about 70% b. over 80%; about 60% c. over 70%; about 50% d. over 60%; about 40%