For rats in a Skinner box, very little learning occurs when the delay between bar pressing and receiving food exceeds __________ seconds

If sleep repairs the wear and tear of the day's activities on the body, then

a. we should all need about the same amount of sleep each night. b. sedentary people should need more sleep each night than active people. c. active people should need more sleep each night than sedentary people. d. persons in dangerous occupations should need more sleep than those in other occupations. e. males should need more sleep than females.

While it is easy to assume that observational learning has only negative outcomes – violence, profanity, eating disorders, aggressive behaviors – it is also true that there are some models who demonstrate both positive and helpful actions

These are called ________ models. a. prosocial b. altruistic c. beneficent d. deluvian