__________ parenting combines a fair degree of parental control with being warm and responsive to children

The primary causes of death are different for people of different ages. What is a primary cause of death for people in middle adulthood?

a. Abuse b. Smallpox c. Starvation d. Homicide

Of the schedules listed, which of the following would generate the highest rate of responding as well as being resistant to extinction?

a. variable interval b. fixed interval c. continuous d. fixed ratio