At the current time, most of the heroin in the U.S. originates from poppy fields in
A. Afghanistan.
B. Laos and Thailand.
C. Colombia and Mexico.
D. China.
C
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According to Robert Sternberg's triangular model of love, which of the following is true of passion?
A) It is insignificant in short-term relationships. B) It means deciding to enhance and maintain a relationship. C) It does not involve sexual craving. D) It involves preoccupation with the loved one.
David is a researcher who studies brain injuries to improve the overall knowledge of brain functioning. Keith works in a health care facility testing patients individually to determine the kind of brain injuries they have sustained. David is a(n) ________ neuropsychologist, and Keith is a(n) ________ neuropsychologist.
A. clinical; clinical B. experimental; experimental C. experimental; clinical D. clinical; experimental
Which of the following statements is supported by the work of the Brelands??
a. ?Animals bring no genetic predispositions with them to the learning experience. b. ?Genetic differences among various species of animals are unimportant. c. ?Any response that an animal is capable of making can be conditioned to any stimulus that the animal can detect. d. ?Animal behavior cannot be properly understood without a knowledge of the animal's instinctual tendencies.
A method of research that involves the manipulation of an independent variable to observe changes in a dependent variable is best described as:
A. correlational. B. quasi-experimental. C. naturalistic observation. D. experimental.