In conducting an experiment, researchers manipulate the dependent variable to see if it Pool Canvas file://///MOH-PC/Users/moh/Desktop/freeman/Developing Person Throu... 7 of 11 5/2/2012 11:56 PM affects the independent variable

Which of the following is NOT a reason that adolescents are more likely to use and abuse drugs?

a. the adolescent's belief that the risks of drug use are low b. drugs being readily available. c. drug use by their peers being viewed as acceptable d. the adolescent's brain systems that restrain risk­taking being more mature than those involved in reward pleasure-seeking

Janet has cardiovascular disease. Her doctor detected high blood pressure and high blood cholesterol. To relieve arterial blockage, Janet had __________, a procedure in which a surgeon threaded a needle-thin catheter into her arteries and inflated a balloon at its tip

A) angioplasty B) bypass surgery C) a pacemaker implantation D) angina pectoris