Currently, the cause of attention-deficit/hyperactivity disorder is thought to be ________
a. arrested emotional development
b. biological factors
c. prenatal maternal alcohol use
d. over demanding and emotionally detached parents
Answer: b
Psychology
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In a scatterplot, an outlier is one that
a. is far to the left of the display. b. is in the center of the display. c. is far from the regression line. d. is the largest value of Y.
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