B) natural selection; stage
C) maturation; survival of the fittest
D) natural selection; survival of the fittest
The mild increase in parent”child conflict that often occurs in early adolescence
A) affects teenagers more strongly than it does parents.
B) is due to adolescents pressing for greater autonomy and parents pressing for more
aggressiveness.
C) affects parents more strongly than it does teenagers.
D) usually causes a long-lasting strain in parent”child relationships.
Dr. Blume is interested in methods for lowering blood pressure. He recruits 120 adults
with high blood pressure and assigns them to one of three treatment groupsone group
will take a daily pill, one group will be placed on a special diet, and one group will
participate in an exercise boot camp. The independent variable is __________ and the
dependent variable is __________.
A) the participants with high blood pressure; blood pressure
B) treatment type; blood pressure