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Understanding Internal Consistency Reliability Estimates: A Conceptual Primer on Coefficient Alpha

2001; SAGE Publishing; Volume: 34; Issue: 3 Linguagem: Inglês

10.1080/07481756.2002.12069034

1947-6302

Robin K. Henson,

Advanced Causal Inference Techniques

Although often ignored, reliability is critical when interpreting study effects and test results. Accordingly, this article focuses on the most commonly used estimate of reliability, internal consistency coefficients, with emphasis on coefficient alpha. An interpretive framework is provided for applied researchers and others seeking a conceptual understanding of these estimates.