In order to assess the test-retest reliability of a measure, the researcher should
A. administer the measure at two different times to different people and compute the correlation between the two sets of scores.
B. administer the measure at two different times to the same people and compute the correlation between the two sets of scores.
C. correlate individuals' scores on the measure with a different measure designed to measure the same construct.
D. ask two people to complete the measure several times and compute the correlations across the many time periods.
B. administer the measure at two different times to the same people and compute the correlation between the two sets of scores.
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"Combat exhaustion" was once known as __________.
A. acute stress disorder B. shell shock C. PTSD D. war neurosis
Children who suffer from a traumatic brain injury tend to recover better than adults who have the same sort of injury because
a. children's brains are not yet as specialized as adult brains. b. children's brains are more specialized than adult brains. c. synaptogenesis is complete in children. d. synaptic pruning is complete in children.
An optimist says the glass is half full, and the pessimist says it is half empty. Each of these points of view illustrates the
a. representativeness heuristic. c. anchoring and adjustment heuristic. b. availability heuristic. d. power of divergent thinking.
If the standard deviations of the X and Y distributions are equal, then r = bY
Indicate whether the statement is true or false