__________ of all lung cancer deaths are caused by smoking

a. 10-20%
b. 30-40%
c. 60-70%
d. 80-90%


d

Psychology

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By what age are babies first able to grasp an object with the thumb and fingers?

A. 10 months B. 8 months C. 6 months D. 4 months

Psychology

Which of the following is true of self-administered reinforcement?

a. It is guided by our past behavior as reference. b. It involves both reward and punishment. c. It is more effective with older children and adults. d. All of these are correct.

Psychology

Jacob is attempting to control his kleptomania by repeatedly and vividly imagining himself being arrested, handcuffed, taken to jail, and facing his wife's anger and his son's disappointment. Jacob is using

a. escape therapy, a form of insight therapy. b. avoidance therapy, a form of REBT. c. overt sensitization, a form of existential therapy. d. covert sensitization, a form of behavior therapy.

Psychology

In the context of one-group pretest-posttest design, maturation effects occur when

A. the basic characteristics of the measuring instrument change over time. B. a confounding event occurs at the same time as the experimental manipulation. C. taking a pretest changes the participant's behavior. D. participants change over time.

Psychology