In the treatment of severe ____________________, a cingulotomy may be performed, which involves destroying a small portion of the limbic system in the brain

Which of the following is an example of a variable interval schedule of partial reinforcement?

a. ?In hopes of winning a big jackpot, Penny plays the slot machines at a nearby casino. b. ?Sam earns extra money by mowing his neighbors’ lawns in the summer and shoveling their driveways and sidewalks in the winter. He charges $20 per job. c. ?Marcus takes his daughter Rebekah fishing, and explains that you never know how long you have to leave your line in the water before a fish will bite. d. ?Jaime has a paper due once a month in his sociology course. His productivity is low at the beginning of the month and high as the deadline approaches.

Self-regulation training is likely to be fully effective in obesity prevention only when __________

A) it is offered online or through tablet applications B) stressors in children’s family lives are manageable C) it is coupled with a reduction in children’s sleep time D) parents control when, what, and how much their child eats