Development and validation of the irritable bowel syndrome scale under the system of quality of life instruments for chronic diseases QLICD-IBS: combinations of classical test theory and generalizability theory

Pingguang Lei,Guanghe Lei,Jianjun Tian,Zengfen Zhou,Miao Zhao,Chonghua Wan

Development and validation of the irritable bowel syndrome scale under the system of quality of life instruments for chronic diseases QLICD-IBS: combinations of classical test theory and generalizability theory

2014

Pingguang Lei
Guanghe Lei
Jianjun Tian
Zengfen Zhou
Miao Zhao
Chonghua Wan

Purpose This paper is aimed to develop the irritable bowel syndrome (IBS) scale of the system of Quality of Life Instruments for Chronic Diseases (QLICD-IBS) by the modular approach and validate it by both classical test theory and generalizability theory.

Keywords:

Medicine
General surgery
Physical therapy
Irritable bowel syndrome
Classical test theory
Generalizability theory
Quality of life
Internal medicine
Hepatology
Clinical psychology

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