Several Meta-Analyses Have Produced Similar Findings About the Effectiveness of Contingency

question 42

Multiple Choice

Several meta-analyses have produced similar findings about the effectiveness of contingency management in reducing use of various drugs,including tobacco.Their findings show that contingency management is:

• A)not very effective in reducing drug use (e.g.,based on a low overall effect size).
• B)highly effective in changing drug use (e.g.,based on a very large overall effect size).
• C)moderately effective for reducing most drug use,but less so for tobacco.
• D)most effective in reducing tobacco use,and minimally effective with other (hard)drugs.

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Definitions:

Random Sample

A group of people selected from a broader population, where each person has the same likelihood of being chosen.

Stratified Sample

A sampling technique where the population is divided into subgroups (strata) and samples are drawn from each stratum to ensure representation of the whole population.

Primary Research

The process of gathering original data directly from sources through surveys, interviews, or experiments.

Interviews

Structured conversations where one or more persons ask questions to obtain information from another person, often used in the context of job hiring.