Why did Allport use several research assistants in identifying and classifying personality trait?
A. Observational data are better for trait psychology.
B. In order to decrease subjectivity and increase consistency.
C. In order to increase subjectivity and decrease consistency.
D. One objective view is better than many conflicting views.
Ans: B
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According to evolutionary theory, the traits of which man should be most favored by natural selection?
a. Tom, who has one child, and dies when he is 100 b. Juan, who has two children, and dies when he is 50 c. Oded, who has four children, and dies when he is 25 d. There is no difference; the traits of all three men will be equally favored.
Marcus, who works in the laboratory of Dr. Flores, a prominent electrophysiologist, takes readings with a recording electrode placed within a squid axon. He reports to Dr. Flores that the cell is firing an action potential. What measurement did Marcus take with the recording electrode?
a. -70 mV b. 0 mV c. +40 mV d. +70 mV
According to the text, which of the following is NOT an essential variable found in a psychological experiment?
a. mediating variable b. independent variable c. extraneous variable d. dependent variable
Non-parametric tests are used when ______.
A. the population distribution is normal B. the variances of the populations are not equal C. the dependent variables are interval or ratio measures D. the variables are categorical or nominal