The theory developed in the 1750s that centered on the idea that semen is necessary for physical and sexual vigor in men is the __________ theory

Your textbook suggests that "forewarned is forearmed" when it comes to being an educated consumer. If you were going to go out and purchase a new vehicle, what would you do to most effectively heed this advice?

a) Ask a friend or two where you can get the best deals. b) Research the type of car you want to buy and know what you should expect to pay. c) Dress in cheaper clothing so that you don't give the impression that you can spend more. d) Drive your old car to the lot so that the salesperson can see what they should try to sell you.

Lester, a 29-year-old smoker, has a head injury and lives in a group home with four other men

They have staff members who are with them 24 hours per day to help them with everyday tasks. Lester often displays aggressive or otherwise inappropriate behaviors as a result of his brain injury. For this reason, the staff members have been trained by the agency psychologist to give him a coupon every time Lester shows an appropriate behavior. When he saves up eight coupons, Lester is rewarded with a cigarette. Which of the following techniques is the staff members using with Lester? a) healing circle b) aversion therapy c) a token economy d) unconditional positive regard