The pi Lab focuses on the knowledge translation of measurement theory and data science methods to clinical applications. Chang directs the Psychometrics-Informatics Laboratory (The pi Lab), which aims to integrate advanced psychometrics and evolving informatics to advance our understanding of participation and human health. He has created a discipline called "Clinical Infometrics" that is a synthesis of measurement sciences, predictive analytics, evidence-based medicine and informatics to guide clinical decision making in real time and to improve symptom and disease management over time. Chang has extensive experience and expertise in patient-centered outcomes measurement and management in diverse populations and settings utilizing item response theory (IRT) and computerized adaptive testing (CAT). His research focuses on the integration of methodology and technology to advance clinical outcomes assessment and management across the continuum of care. Chang is a psychometrician and health services researcher trained in research methodology and quantitative psychology. Educationġ987:ěS in Psychology, National Chengchi University, Taipei, Taiwanġ995: PhD in Research Methodology and Quantitative Psychology, University of Chicago, Chicago, Illinoisĭr. Chang teaches Measurement Theory and Development (OT680.01). Precision Rehabilitation Outcomes Universal Design (PROUD)ĭr.Smart testing and learning (STL) – dynamic assessment and tailored education.Item response theory (IRT) and computerized adaptive testing (CAT).Patient-reported outcomes (PROs) and health-related quality of life (HRQOL).Smart learning and testing to improve clinical competencies.Synthesizing measurement sciences, predictive analytics, evidence-based medicine/practice, and informatics to guide clinical decision making in real time and to improve symptom and disease management over time.Chang, Chih-Hung, PhD Clinical InterestsĬlinical outcomes assessment and management across the continuum of care
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