Research on the role of genetics in conduct disorder has found that
a) conduct disorder is primarily genetically determined.
b) the different behaviors of conduct disorder reflect differential genetic influences.
c) the concordance rates of MZ twins are not appreciably different from DZ twins.
d) biological factors play a more prominent role in late-onset antisocial behavior than early-onset antisocial behavior.
b
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Having an excess of norepinephrine can lead to
a. anxiety. b. neuron death. c. the development of Parkinson's disease. d. the development of schizophrenia.
What does the homogeneity of variance assumption state?
a. The two sample variances are equal. b. The population variance is equal to the variance of the sample selected from it. c. The variance must stay constant for each subject in the experiment. d. The variance in one population is equal to the variance in the other population.
A ______ is a graphical depiction of the information in a frequency table for a qualitative variable.
a. probability density function b. bar graph c. scatter plot d. cumulative scatter plot
A child displays some, although not all, of the problems of fetal alcohol syndrome due to the mother's consumption of alcohol during pregnancy. The child was born with
a) AIDS. b) fetal alcohol effects (FAE). c) fetal alcohol syndrome (FAS). d) autoimmune deficiency.