Campbell and Stanley (1963) point out that although the two-group pretest-posttest design ensures a degree of internal validity, ________.
A. it does not preclude problems with external validity
B. establishing the statistical significance of your results is difficult
C. identifying causal relationships is difficult
D. None of the answers is correct.
Answer: A
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Psychologists who apply psychological principles to legal issues are referred to as
a. developmental psychologists. b. legal psychologists. c. forensic psychologists. d. experimental/legal psychologists.
As Jamie walks into class, she sees the instructor handing out a quiz and realizes that she has forgotten to study for it. In this moment, which system is causing Jamie's heart rate and respiration to increase?
A. Somatic nervous system B. Autonomic nervous system C. Central nervous system D. Motor neuron system
Shared group expectations about how particular group members are expected to behave are called
a. norms. b. expectancy effects. c. roles. d. collective standards.
A reciprocal gene-environment interaction
a) involves the idea that genes may predispose individuals to seek out certain environments. b) involves how adopted children take on the characteristics of their adopted parents. c) is a useful research method in adoption studies. d) suggests that individuals who spend a lot of time in bars are more likely to develop alcohol dependence than those who do not frequent bars.