After two years, Sam needs to smoke more cigarettes to achieve the same feelings as he had when he first started smoking. This need to increase dosage is due to:

a. tolerance.
b. sensitization.
c. withdrawal.
d. dependence.


Answer: A

Psychology

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Which of the following statements is true about the trait approach?

A. No major schools of psychotherapy have evolved from the trait approach. B. The trait approach is the best approach for predicting change in personality. C. Most trait researchers do not focus on predicting behavior. D. Trait theorists place emphasis on identifying the mechanisms that determine behavior.

Psychology

Which of the following best describes natural selection?

a. Individuals are striving to find consistency between their ideal self, their real self, and their fear self. b. Humans are born as blank slates and they are conditioned unknowingly and without free will by their environment. c. Humans are in a constant struggle to control their unconscious urges for physical gratification and aggressive impulses. d. Species change little by little with each generation, and over a long period of time they can develop into new species.

Psychology

What is the term for the process of fertilization in which a man's sperm is placed directly into a woman's reproductive tract by a physician?

a) In vitro fertilization b) Intrafallopian transfer c) Artificial insemination d) Germinal insemination

Psychology

If you were a professor, what advice would you give a student who proposes the following research project in order to increase the efficiency of the experiment

Study 1 will investigate the effect of an instructor's gender on student evaluations of the course and Study 2 will investigate the effect of upper level versus lower level courses on student evaluations of the course. a) Conduct a 2 X 2 factorial design instead of two individual experiments b) Conduct a power analysis after data collection. c) Collect small sample sizes for each condition. d) Collect large sample sizes for each condition.

Psychology