In ________ relationships, people give benefits with the expectations of receiving comparable benefits in return soon afterward

According to the results of Mary Ainsworth's studies, about what percent of children raised in the United States experience secure attachment relationships with their caregivers?

a. 20-30% b. 40-50% c. 60-70% d. 80-90%

Suppose that you can place a child with developmental disabilities into one of four programs. Which of these would you choose because it would likely produce the best outcome for the child?

a. a program that begins in infancy and focuses broadly, addressing both cognitive and health-related needs b. a program that begins at age 4 and focuses broadly, addressing both cognitive and health-related needs c. a program that begins in infancy and focuses narrowly and directly on cognitive development d. a program that begins at age 4 and focuses narrowly and directly on cognitive development