What are the ethical implications of using unreliable or invalid measures?

... Cronbach's alpha. Internal consistency reliability is typically estimated using a statistic called Cronbach's alpha, which is the average correlation among ... International Journal of Medical Education. PMID: 28029643; PMCID: PMC4205511; DOI: 10.5116/ijme.4dfb.8dfd. No abstract available. Publication types. Editorial ... Oct 19, 2015 ... No single reliability index can be considered a perfect assessment tool to solve this issue. Thus, at least two to three indexes should be used to ensure the ... Cronbach's alpha determines the internal consistency or average correlation of items in a survey instrument to gauge its reliability. This paper will illustrate ... M. Tavakol and R. Dennick, “Making Sense of Cronbach's Alpha,” International Journal of Medical Education, Vol. 2, 2003, pp. Feb 20, 2025 ... In this article, we're going to walk through the steps of calculating Cronbach's Alpha in Google Sheets using ChatGPT. Abstract. Cronbach's alpha (CA) presents significant potential in environmental health assessment. This metric plays a crucial role in ensuring the reliability ... Dec 28, 2017 ... : Ideal Response Time and Delusion of Cronbach's Alpha. Journal of Measurement and Evaluation in Education and Psychology, 8(4), 344-353 ... Nov 16, 2015 ... Cronbach's alpha is not a measure of dimensionality, nor a test of unidimensionality. In fact, it's possible to produce a high α coefficient for ... We construct a robust version of Cronbach's alpha which is insensitive to a small proportion of data that belong to a different source.