Letter to the Editor: A Brief Review of the Types of Validity and Reliability of scales in Medical Research

Bahariniya ، Sajjad Department of Health Services Management - School of Public Health - Shahid Sadoughi University of Medical Sciences , Ezatiasar ، Mohammad School of Public Health - Semnan University of Medical Sciences , Madadizadeh ، Farzan Departments of Biostatistics and Epidemiology - Center For Healthcare Data Modeling, School Of Public Health - Shahid Sadoughi University Of Medical Sciences

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