What are the considerations when shortening a scale and evaluating its reliability?

Cronbach's alpha (Cronbach 1951) assesses the reliability of a summative rating (Likert 1932) scale composed of the variables (called items) specified. The set ... Cronbach's alpha is the most common measure of internal consistency ("reliability"). It is most commonly used when you have multiple Likert questions in a ... International Journal of Medical Education. PMID: 28029643; PMCID: PMC4205511; DOI: 10.5116/ijme.4dfb.8dfd. No abstract available. Publication types. Editorial ... Cronbach's Alpha (α) is a measure of internal consistency, indicating how well a set of items measures a single unidimensional latent construct. Factor, Physician/Extenders, Nursing staff, Admin staff, All respondents. Teamwork climate, 0.76 (63), 0.74 (43), 0.89 (23), 0.77 (142). Aug 29, 2022 ... Cronbach's alpha. Cronbach's alpha was first described in an article in 1951 (1) and has since been by far the most frequently used measure of ... Abstract. Cronbach's alpha is a statistic commonly quoted by authors to demonstrate that tests and scales that have been constructed or adopted for research ... Aug 23, 2018 ... 1 Answer 1 ... Regular alpha is based on covariances. Standardized alpha is based on correlations (which can be thought of as based on ... Jun 7, 2017 ... The reliability of [the Nature of Solutions and Solubility—Diagnostic Instrument] was represented by using the Cronbach alpha coefficient. Jan 17, 2025 ... We examine whether α values reported in the psychological literature show signs of inflation, for example, because of publication bias or hacking.