Lan Yu, PhD

Conceptual Schematic

THE THREE MOST SIGNIFICANT QUESTIONS THAT DEFINE YOUR RESEARCH PROGRAM:
How to develop and refine patient-reported outcomes (PROs) for various conditions?

How to examine reliability and validity of survey data?

How to compare group difference after controlling for their underlying trait?

FIVE KEYWORDS THAT DESCRIBE YOUR AREAS OF INTEREST:
Survey data
Psychometrics
Item response theory
Computerized adaptive testing
Differential item functioning

TECHNIQUES, MODELS, METHODS, ANALYTIC APPROACHES, ETC:
Methods for survey data
Psychometric techniques (IRT, factor analysis, DIF, SEM) for developing, refining, and validating PROs