What do standard deviation units refer to?
a. How many standard deviations an individual score falls away from the mean.
b. The standard deviation of a group of test scores.
c. The strength and direction of a relationship between two distributions.
d. The location of the middle of a distribution.
a. How many standard deviations an individual score falls away from the mean.
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According to research conducted by Darley and Latane, a person who collapsed on the street would be LEAST likely to be helped if
a. the number of witnesses is high. b. there is a single witness. c. the people who witness the event are strangers. d. the situation is judged to be serious by the witness.
In the study that followed older couples from before the death of a spouse until 18 months after the death, which group showed a pattern of elevated levels of depression before the death of the spouse but lower levels of depression at 6 and 18 months after the death of the spouse?
a. The depressed-improved b. The resilient c. The obtuse d. The common grief group
The finding that people rate some even numbers as better examples than other even numbers indicates that
a. categories cannot be defined by rules. b. rules don't exist for continuous dimensions. c. people don't know the rule for even numbers. d. members of rule-defined categories can differ in representativeness.
What disorder results from syphilis?
a) panic b) depression c) schizophrenia d) general paresis