Cronbach's Alpha: A Cornerstone in Ensuring Reliability and Validity in Environmental Health Assessment
Sylvester Chibueze Izah, Ligeiaziba Sylva, and Milan Hait
1 Department of Microbiology, Faculty of Science, Bayelsa Medical University, Yenagoa, Bayelsa state, 569101, Nigeria
2 Department of Mathematics, Faculty of Science, Bayelsa Medical University, Yenagoa, Bayelsa state, 569101, Nigeria
3 Department of Chemistry, Dr. C. V. Raman University, Bilaspur, 495001, India
Abstract
Cronbach's alpha (CA) presents significant potential in environmental health assessment. This metric plays a crucial role in ensuring the reliability of measurement instruments, guaranteeing that they consistently capture the intended constructs across various situations and over time. This review centers on exploring the capabilities of measures of internal consistency, particularly CA, in the context of environmental health assessment. The findings underscore the indispensability of CA in environmental health, especially in situations involving high-stakes decisions. This emphasizes the importance of assessment tools, reinforcing their reliability and validity. In environmental health studies, CA emerges as highly promising, particularly in the evaluation of pollution using indices. Its indication of strong internal consistency significantly contributes to the construct validity of environmental health assessment tools. Furthermore, the use of CA ensures data reliability, informs sound decision-making, and enhances the overall effectiveness of research in this vital field. Therefore, its adoption and application in tools commonly employed for assessing environmental and human health risks related to toxicants are deemed necessary for ensuring the robustness of the assessment process. Enhancing these processes involves incorporating factor analysis and considering sample size. However, caution must be exercised to avoid drawbacks, such as the assumption of unidimensionality.
Publication details
Received: 05 Nov 2023
Revised: 13 Dec 2023
Accepted: 17 Dec 2023
Published online: 17 Dec 2023
Article type:
Review Paper
DOI:
10.30919/esee1057
Volume:
23
Article :
1057
Citation:
ES Energy & Environment, 2024, 23, 1057
Permissions:
Copyright
Number of downloads:
1009
Citation Information:
49
Description:
Cronbach's alpha revolutionizes environmental health assessment by ensuring instrument reliabili....
Cronbach's alpha revolutionizes environmental health assessment by ensuring instrument reliability, refining tools, and enabling informed decisions for pollution studies.
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