How Effective Have Nonprofessional Support Groups Like AA Been in Helping

question 148

Essay

How effective have nonprofessional support groups like AA been in helping clients remain chemical-free? What makes analysis of AA outcomes so difficult?

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Definitions:

Central Limit Theorem

A statistical theory that states that the sampling distribution of the sample mean will approach a normal distribution as the sample size becomes larger, regardless of the shape of the population distribution.

Test Statistic

A calculated value from statistical test data used to determine whether to reject the null hypothesis in favor of the alternative hypothesis.

Average Amount

The sum of a set of numerical values divided by the count of values, typically used to find the central or typical value in a data set.

Sleep

A natural and periodic state of rest for the mind and body, characterized by altered consciousness and reduced sensory activity.