Felicia is pregnant, and her blood pressure has become dangerously high. Her doctor wants to deliver her baby by Cesarean section, even though Felicia is only 26 weeks pregnant. If Felicia's baby is delivered at this point in her pregnancy, the baby will have
a. less than a 10% chance of survival.
b. approximately a 25% chance of survival.
c. approximately a 67% chance of survival
d. virtually a 100% chance of survival.
C
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The supervisor at a local grocery store schedules individual monthly meetings with her four employees to let them know how they are doing in their respective areas. The supervisor is using a technique known as:
a. social learning b. modeling c. feedback d. goal setting
People tend to be happy when they
a. have a close relationship with their parents and children. b. have a large circle of diverse friendships. c. are meeting their personal goals. d. are recognized for their accomplishments by their peers.
Gerard conducts a study to examine the effect of an exercise program on obese people. The participants must exercise for one hour every day for six months. By the end of the fourth month, Gerard finds that 75 percent of the participants have dropped out of the study. What kind of problem has Gerard encountered in his study?
A. maturation B. attrition C. morbidity D. selection
Which of the following is a drawback of the matched pairs design?
A. It can be costly and time-consuming. B. It fails to ensure that the groups are equivalent. C. It is not useful when only a few participants are available. D. It simply randomly assigns participants to groups.