Center for Advanced Studies in Measurement and Assessment CASMA Research Report

Center for Advanced Studies in Measurement and Assessment CASMA Technical

Reducing Measurement Error in Nutrition Assessment: Potential Research Implications for Iran

Self-reported measures of dietary intake are prone to measurement error that may obscure the relationship of diet and disease. This review addresses strategies to decrease errors during collection of dietary data and statistical approaches to deal with measurement issues once the data are collected.  Examples from two US studies-- the Women’s Health Initiative (WHI) Dietary Modificat...

فرایند ارزیابی روایی و پایایی ابزار‌های سنجش و اندازه‌گیری در تحقیقات آموزشی، رفتاری و علوم سلامت ( با تأکید بر روایی محتوا)

Development and assessment of measurement tools are important stages in the research processes regarding social, educational, and medical sciences, which mainly focus on the measurement of characteristics, qualitative variables, and abstract variables. Validity and reliability are two important components of researcher-made tools. The quality of assessment and confirming of validity and reliabi...

On the Measurement of Reinforcing Efficacy of Methamphetamine Using Self-Administration Procedures:A Review & Future Directions

A B S T R A C T Abstract- Methamphetamine has rapidly become more prominent in Iran, which is now second most common drug behind heroin. Moreover, initiation of methamphetamine abuse is a major cause of failure of opioid treatment programs such as Methadone maintenance treatment. This calls for development of more effective treatment methods for methamphetamine addiction, and especially develop...

Psychometric Properties of Quality of Life Assessment Tools in Morbid Obesity: A Review of Literature

Background: Since studies have demonstrated that morbid obesity can exponentially impair quality of life, the measurement of quality of life is paramount to monitoring the effects of treatment and influences the development of clinical pathways, service provision, healthcare expenditures, and public health policy. Accordingly, clinicians, researchers, and policy makers must rely on valid instru...