Vellone, ErcoleBarbaranelli, ClaudioLee, Christopher SRiegel, Barbara2023-05-232023-05-232015-01-012018-11-09https://repository.upenn.edu/handle/20.500.14332/41679Dear Editor We read with great interest the recently published paper by Dr Lambrinou and colleagues1 entitled “The Greek version of the 9-item European heart failure self-care behaviour scale: A multidimensional or an uni-dimensional scale?” The paper is one of several papers published on the psychometric properties of the European Heart Failure Self-care Behaviour Scale (EHFScBS) and continues to raise the important questions: (1) Is self-care of heart failure (HF) a multidimensional or an uni-dimensional construct? (2) Is self-care of HF a generalizable construct across countries? (3) Is Cronbach's alpha the best approach to estimate reliability of instruments?© 2015. This manuscript version is made available under the CC-BY-NC-ND 4.0 license (http://creativecommons.org/licenses/by-nc-nd/4.0/)Behavioral MedicineCardiologyCardiovascular DiseasesCirculatory and Respiratory PhysiologyMedical HumanitiesMedicine and Health SciencesNursingPreventive MedicineArticle