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The Pittsburgh Sleep Quality Index (PSQI) What is the PSQI? The Pittsburgh Sleep Quality Index (PSQI) is a widely used self-report questionnaire that assesses sleep quality over a one-month time interval The measure was developed by Dr Daniel Buysse, Dr Charles Reynolds, Dr Timothy Monk, Dr Susan Berman, and Dr David Kupfer at the University of Pittsburgh Since the PSQI’s publication in 1989, it has been cited in over 34,000
Members – Wang Lab Current Members of the Wang Group Current group members Dr Yiming Wang (Principal Investigator) Yiming was born in Shanghai, China, and grew up in Boulder, Colorado He graduated with an AB AM degree in chemistry physics and mathematics from Harvard University in 2008 after conducting research in the group of Professor Andrew Myers After obtaining his PhD under the supervision of Professor
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Wei Gao - University of Pittsburgh December 2025: Built on InfiniBench, we further analyzed current vision-language models (VLMs) on multi-view visual spatial reasoning tasks, which require VLMs' geometric coherence and cross-view consistency We first developed ReMindView-Bench, a cognitively grounded benchmark for evaluating how VLMs construct, align and maintain spatial mental models across complementary viewpoints, and used
Bo Zeng - University of Pittsburgh My research focus on developing and utilizing optimization and analytics tools to address challenges in real systems, especially discrete optimization models with uncertainties (robust and stochastic mixed integer programs), game theory models, and advanced data analysis and computing methods Those tools are extensively applied in various engineering, healthcare, and management systems for