Revisiting Cronbach’s Alpha

Following up on Klaas Sijtsma's (2009) highly cited contribution 'On the Use, the Misuse, and the Very Limited Usefulness of Cronbach’s Alpha,' Psychometrika is proud to showcase five new contributions that discuss current insights into issues surrounding measures of reliability.  

Title

Author

Part II: On the Use, the Misuse, and the Very Limited Usefulness of Cronbach’s Alpha: Discussing Lower Bounds and Correlated Errors

Klaas Sijtsma & Julius M. Pfadt

Neither Cronbach’s Alpha nor McDonald’s Omega: A Commentary on Sijtsma and Pfadt

Eunseong Cho

A Test Can Have Multiple Reliabilities

Jules Ellis

Alpha, FACTT, and Beyond

Peter M. Bentler

Rejoiner: The Future of Reliability

Klaas Sijtsma

The Invited Review 'Part II: On the Use, the Misuse, and the Very Limited Usefulness of Cronbach’s Alpha: Discussing Lower Bounds and Correlated Errors (Sijtsma & Pfadt, 2021b)' is followed by commentaries provided by three experts who react to this review and provide their insights on the topic as well as additional references to their own and other scholarly work. The fifth and final contribution "The Future of Reliability (Sijtsma & Pfadt, 2021b)" provides a rejoinder of the perspectives.

For Additional Readings, please revisit:

Title

Author

Coefficient alpha and the internal structure of tests

Lee J. Cronbach 

On the Use, the Misuse, and the Very Limited Usefulness of Cronbach’s Alpha

Klaas Sijtsma