Which statement best describes the relationship between schizophrenia and socioeconomic level?
a. There is no consistent relationship between schizophrenia and socioeconomic level
b. Schizophrenia is most prevalent at lower socioeconomic levels.
c. Severe forms of the disorder are most common at upper socioeconomic levels; milder forms are more common at the lower socioeconomic levels.
d. Schizophrenia is most common at upper socioeconomic levels.
b
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Which of the following provides some evidence that there is, in fact, a genetic component to handedness?
a. Between monozygotic twins, the likelihood that both children have the same dominant hand is no greater than between fraternal twins or non-twin siblings. b. As teachers have stopped encouraging children to use their right hands, the percentage of left-handed children has risen. c. Societies have favored right-handed people in their design of common objects, such as scissors, can-openers, and school desks. d. The part of the brain that controls handedness, the substantia nigra, develops more fully in right-handed children than in left-handed children.
Which of the following statements is true? a. Eating disorders are a way of expressing depression
b. Eating disorders have a high comorbidity with posttraumatic stress disorder. c. Over 80% of people with bulimia had an anxiety disorder at some point during their lives. d. Twenty to thirty percent of all people with bulimia nervosa meet the criteria for a mood disorder during the course of their eating disorder.
What did Weber called the smallest distance between two points at which a subject reported sensing two points instead of one?
a. Just noticeable difference b. Two-point threshold c. Psychophysical threshold d. Localization of experience
When items have a very low or very high p value, test developers
a. accept them as good items. b. know that they contribute to the variability of the test scores. c. rewrite or discard the items. d. have evidence that the item is valid.