The tendency for people to place greater weight on the present over the future in decision-making is known as ____

A term that is frequently used to describe a forceful urge to use drugs is a(n)__________

Answer:

Dr. Wilkins randomly assigns subjects to one of three groups

He is interested in the effects of caffeine on anxiety levels. He gives subjects in the first group an extra two cups of coffee a day for six months. The second group receives an extra two cups of decaffeinated coffee a day for the same time period, while the control group is not given either regular or decaffeinated coffee. By providing one group with decaffeinated coffee, Dr. Wilkins is trying to account for which potential element of the experiment? A) A control condition B) The Rosenthal effect C) The placebo effect D) The artificial condition