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Background and Objective: Nowadays,
by extension of research in medical and social sciences, education and managing
most of outcomes measurers by cheklists,questionnaires, scales and educational
tests or raters evaluations to quantify the human behaviors. Reliability and
validity are the most important indexes in measurement to obtain true values.
Enough knowledge and understanding the reliability and validity are important principle
of methodology in study designing. Unfortunately, psychometric aspects of
measures have not been applied in some situations and studies. The objective of
current document is to show the concepts of reliability, validity, psychometric
aspects and their types of measurements for researchers.
Key
words: Validity,
Reliability, Psychometric , Cranach's Alpha, Kappa Coefficient, Factor Analysis
Funding: This study was funded by Qom University of
Medical Sciences.
Ethical approval:The Ethics Committee of
Qom University of Medical Sciences approved the study.
Conflict of interest: none declared.
How to cite this article.
Mohammadbeigi A, Mohammadsalehi N, Aligol M. Validity and
Reliability of the Instruments and Types of Measurment in Health Applied Researches. J RafsanjanUniv Med
Sci 2015 13(10): 1153-70. [Farsi]
Received: 2014/08/20 | Accepted: 2015/02/25 | Published: 2015/03/14
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