What kind of behavior does operant conditioning change?

Which of the following is true about cohabitation?

a. Cohabitation is common in Asian cultures. b. It increases the chances that a couple's marriage will last. c. The levels of cohabitation are higher in southern Europe than in northern Europe. d. Only 10 percent of American couples who cohabitate are still together 5 years later.

You are a family practice physician who delivers quite a few babies. You recently returned from a medical conference in Norway and are considering incorporating the Norwegian birthing method into your own. You are considering using ______________

a warm pool videography forceps a midwife