A researcher is concerned that experimental results obtained with college students may not apply to adults in the general population. This illustrates a concern with ____ validity
a. internal
b. external
c. experimental
d. correlational
b
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The defining feature of Tourette's disorder is __________.
A. the presence of vocal or motor tics B. an irresistible urge to steal objects that are not needed C. an irresistible urge to set fires just for the joy of seeing them burn D. an unusual lack of interest in relationships with other people
If the original distribution is ______, the z-score transformed distribution will be ______.
A. skewed; symmetrical B. symmetrical; symmetrical C. symmetrical; skewed D. evenly distributed; symmetrical
The idea that whatever time children devote to electronic media reduces time spent in educational activities is the ______
Fill in the blank with correct word
The diathesis-stress model of depression suggests that the stress is produced by a
combination of negative life events and a. pessimistic attributions. b. brain biochemistry. c. family dysfunction. d. hopeless outlook. e. sleep/wake cycles.