What are the distinctions between "drug abuse" and "drug dependence"?
What will be an ideal response?
Drug abuse is evidenced when there is recurrent drug use by the individual that is often accompanied by adverse consequences, e.g., social, economic, health, for the individual or society. Drug dependence includes this feature; in addition, in the absence of the drug, the drug dependent person experiences unpleasant and uncontrollable mood states that is accompanied with the compulsive use of drugs. Typically tolerance is evidenced and physiological withdrawal may be evidenced if the drug is not taken.
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Tonja wants to evaluate the effects of a new school breakfast program on student conduct and academic achievement. She cannot evaluate every student in every school in the district, so she randomly selects several schools and then collects data on all of the students in those schools. What type of sample is she using?
a. simple random b. stratified random c. systematic random d. cluster random
Research on sex chromosome disorders shows that __________
A) males with XYY syndrome are more aggressive and antisocial than XY males B) verbal difficulties are common among females who are missing an X chromosome C) females who are missing an X chromosome often have trouble with spatial relationships D) most children with these disorders suffer from intellectual disability