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Dont do drugs! Cocaine addicts need cocaine to feel any pleasure, so perhaps giving them
Chapter 11, Problem 34(choose chapter or problem)
Dont do drugs! Cocaine addicts need cocaine to feel any pleasure, so perhaps giving them an antidepressant drug will help. A three-year study with 72 chronic cocaine users compared an antidepressant drug called desipramine with lithium (a standard drug to treat cocaine addiction) and a placebo. One-third of the subjects were randomly assigned to receive each treatment. Here are the results:16 Drug administered Relapsed? Desipramine Lithium Placebo Yes 10 18 20 No 14 6 4 (a) Compare the distributions of relapse status for the three treatments. (b) Are the differences among the three groups statistically significant? Give appropriate evidence to support your answer
Questions & Answers
QUESTION:
Dont do drugs! Cocaine addicts need cocaine to feel any pleasure, so perhaps giving them an antidepressant drug will help. A three-year study with 72 chronic cocaine users compared an antidepressant drug called desipramine with lithium (a standard drug to treat cocaine addiction) and a placebo. One-third of the subjects were randomly assigned to receive each treatment. Here are the results:16 Drug administered Relapsed? Desipramine Lithium Placebo Yes 10 18 20 No 14 6 4 (a) Compare the distributions of relapse status for the three treatments. (b) Are the differences among the three groups statistically significant? Give appropriate evidence to support your answer
ANSWER:Step 1 of 5
Given:
The data for a three-year study with 72 chronic cocaine users compared an antidepressant drug called desipramine with lithium (a standard drug to treat cocaine addiction) and a placebo is provided.