Two Criteria for Good Measurements in Research: Validity and Reliability
Dr Haradhan Mohajan ()
MPRA Paper from University Library of Munich, Germany
Reliability and validity are the two most important and fundamental features in the evaluation of any measurement instrument or tool for a good research. The purpose of this research is to discuss the validity and reliability of measurement instruments that are used in research. Validity concerns what an instrument measures, and how well it does so. Reliability concerns the faith that one can have in the data obtained from the use of an instrument, that is, the degree to which any measuring tool controls for random error. An attempt has been taken here to review the reliability and validity, and threat to them in some details.
Keywords: Validity and reliability; errors in research; threats in research. (search for similar items in EconPapers)
JEL-codes: B4 C1 (search for similar items in EconPapers)
Date: 2017-10-01, Revised 2017-10-10
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Published in Annals of Spiru Haret University 4.17(2017): pp. 56-82
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https://mpra.ub.uni-muenchen.de/83458/1/MPRA_paper_83458.pdf original version (application/pdf)
Journal Article: TWO CRITERIA FOR GOOD MEASUREMENTS IN RESEARCH: VALIDITY AND RELIABILITY (2017)
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Persistent link: https://EconPapers.repec.org/RePEc:pra:mprapa:83458
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