#statstab #536 The Role of Item Distributions on Reliability Estimation: The Case of Cronbach’s Coefficient Alpha

Thoughts: Part of a series of papers by Zumbo arguing for an ordinal alpha (that others contest)

#ordinal #cronbachalpha #reliability

https://journals.sagepub.com/doi/10.1177/0013164420903770

#statstab #419 A Measurement Is a Choice and Stevens’ Scales of Measurement Do Not Help Make It: A Response to Chalmers

Thoughts: #418 convincing for not adopting ordinal α? This rebuttal may change your mind

#ordinal #likert #mesurement #psychometrics #cronbachalpha #reliability #testtheory #CTT #scales #debate #rebuttal

https://doi.org/10.1177/0013164419844305

A Measurement Is a Choice and Stevens’ Scales of Measurement Do Not Help Make It: A Response to Chalmers - Bruno D. Zumbo, Edward Kroc, 2019

Chalmers recently published a critique of the use of ordinal α proposed in Zumbo et al. as a measure of test reliability in certain research settings. In this r...

Sage Journals

#statstab #418 On Misconceptions and the Limited Usefulness of Ordinal Alpha

Thoughts: Ordinal α seemed cool. Then I read this paper. Takeaway: methods need good peer review and debate.

#ordinal #likert #cronbachalpha #reliability #methods

https://doi.org/10.1177/0013164417727036

On Misconceptions and the Limited Usefulness of Ordinal Alpha - R. Philip Chalmers, 2018

This article discusses the theoretical and practical contributions of Zumbo, Gadermann, and Zeisser’s family of ordinal reliability statistics. Implications, in...

Sage Journals