Abstract #300583

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JSM 2003 Abstract #300583
Activity Number: 117
Type: Topic Contributed
Date/Time: Monday, August 4, 2003 : 10:30 AM to 12:20 PM
Sponsor: Social Statistics Section
Abstract - #300583
Title: Statistical Inference for Cronbach's Alpha
Author(s): Douglas G. Bonnett*+
Companies: Iowa State University
Address: 4933 Utah Dr., Ames, IA, 50014-3004,
Keywords: reliability ; intraclass correlation ; interval estimation ; hypothesis testing ; sample size requirements ; internal consistency
Abstract:

Cronbach's alpha is one of the most widely used measures of reliability in the social sciences. Computationally simple tests, confidence intervals and sample size formulas are derived for both 1-group and 2-group designs.

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