Sawtooth Software: The Survey Software of Choice

Yu Heng Kwan

Yu Heng Kwan is a Singaporean and is doing his MD-PhD at Duke-NUS Medical School. He completed his Bachelor of Science (Pharmacy) with first class honors in 2013. His research interests include quality of life, medication adherence, and geriatrics related topics.

 He hopes that his work can eventually improve outcomes for patients and clinical practice.

His PhD thesis involves understanding the quality of life of Spondyloarthritis patients and how do patient’s preference for treatment changes when quality of life changes. During his free time, he believes in spending quality time with his wife and his newborn child and watching him grow up.

If you have any questions, Yu Heng can be reached at This email address is being protected from spambots. You need JavaScript enabled to view it. or at his webpage at



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Lighthouse Studio

Lighthouse Studio is our flagship software for producing and analyzing online and offline surveys. It contains modules for general interviewing, choice-based conjoint, adaptive choice-based conjoint, adaptive choice analysis, choice-value analysis, and maxdiff exercises.

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