Abstract
Within the history of Classical Test Theory, coefficient alpha has had a large role; thus, several researchers have investigated it in order to better understand its behaviour. The present article discusses different ways in which this coefficient has been interpreted in psychometrical reliability theory, as well as several studies which provide some guidelines on its proper use. The limitations encountered on using alpha as a reliability estimator under different actual test circumstances are highlighted.
Original language | English (US) |
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Pages (from-to) | 9-28 |
Journal | Avances en Medición |
Volume | 3 |
Issue number | 1 |
State | Published - 2005 |
Externally published | Yes |
Keywords
- Cronbach’s alpha
- Classical Test Theory
- reliability theory