In a repeated-measures design, the single largest contributing factor to error variance has been removed. What is that factor?
a. individual differences
b. experimenter effects
c. subject bias effects
d. measurement error
a
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Comprehensive reviews of the research literature regarding treatment of alcoholism and drug abuse tell us that
a. most people in treatment show long-term improvement. b. many people improve for a while, but relapse is common. c. success rates are higher for alcoholism than for drug abuse. d. success rates are higher for drug abuse than for alcoholism.
Francesca is at a casino watching a game involving dice. She determines that one of the dice is loaded, causing it to turn up “3” more often than would be expected by chance. To know for certain if this was true, Francesca would have to conduct a study to determine if her findings have statistical ____
a. ?significance b. ?power c. ?validity d. ?generalizability
According to your textbook, women are ten times as likely as men to suffer from an eating disorder. Research has also demonstrated that parts of the frontal lobes of women's brains are thicker than the frontal lobes of men's brains. It would be easy to
suggest, therefore, that having a thicker area in the frontal lobe causes women to have a higher rate of eating disorders. Why is this explanation invalid? a. Because it does not take into account the impact of societal pressure on women to be thin. b. Because the only way to measure the thickness of cerebral lobes is through autopsy after death, and there is no way to know if those areas are also thicker when a person is alive. c. Because it ignores the fact that men have a thicker parietal cortex, which might also explain the eating disorder disparity. d. Because eating behaviors are controlled by the hypothalamus, which is not located in the frontal lobes of the brain.
LearnSmart QuestionsWhat stage of development focuses on attachment and acquiring motor skills?
A. Infancy B. Middle childhood C. Early childhood D. Prenatal