By using random samples, polling organizations can represent the view of the American public with a sample size starting from _____
a) 100,000.
b) 1 million.
c) 100.
d) 1,000.
Answer: d
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As scientists, psychologists have confidence in theories that
a. have stood the test of time. b. reveal the true nature of human behavior. c. are tied to observable evidence. d. do not rely simply on observation. e. are accepted by the majority of leading scholars.
In Aaron Beck's theory of depression, the "paralysis of will" that is prominent in depression is thought to be most directly the result of
a. insufficient positive reinforcement. b. an accumulation of punishments. c. a negative view of the future. d. a loss or other major life change.
If one ends up with unequal sample sizes for reasons unrelated to the effects of one's treatments, one could use a(n) ________ that involves a minor correction to the analysis of variance (ANOVA).
A. t test for independent samples B. z test for the difference between proportions C. alternate inferential statistic D. unweighted means analysis
Which of the following is a characteristic of narcissists?
A. They are likely to lash out when an insult is delivered publicly. B. They typically hate themselves "deep down inside." C. They typically have low self-esteem. D. They are likely to possess a deep-seated feeling of inferiority.