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Rowley Authors Study on Prevention Effectiveness
May 28, 2025
A simulation study published in JMIR Formative Research offers valuable guidance for researchers evaluating prevention effectiveness in respiratory and other infectious disease studies. The article, “Methods to Adjust…
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Erciulescu Elected ASA Fellow
May 1, 2025
Andreea Erciulescu, PhD, a Westat Associate Vice President for Statistics and Data Science, has been elected a Fellow of the American Statistical Association (ASA), the…
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New R Packages Enhance Complex Survey Analysis
March 25, 2025
A new article sheds light on two important extensions to the survey package in R, enhancing how analysts handle complex survey data. The article by…
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Elizabeth Mannshardt Joins Westat as VP and Director, Statistics and Data Science
November 25, 2024
Elizabeth Mannshardt, PhD, joined Westat in November 2024 as Vice President and Director, Statistics and Data Science. Mannshardt brings a wealth of statistical and data…
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Elizabeth Mannshardt
Vice President & Director, Statistics & Data Science
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Bridging Data Privacy and Public Policy Challenges
September 26, 2024
Westat staff participated in the recent 2024 Privacy and Public Policy Conference hosted to promote and strengthen collaboration among privacy experts, researchers, data stewards, data…
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JSSAM Special SAE Issue Features Westat Expertise
April 19, 2024
Westat expertise in small area estimation (SAE) methods and applications are featured in a special virtual issue of the Journal of Survey Statistics and Methodology…
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Erciulescu Named an Editor, International Statistical Review
April 16, 2024
Andreea Erciulescu, PhD, who is an Associate Vice President for Statistics and Data Science at Westat, has been invited to serve as an Editor for…
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Modifying Methods for Hidden Population Estimates
January 3, 2024
Successive sampling population size estimation (SS-PSE) methods used to estimate the size of hidden populations rely on the assumption that the underlying social network of…
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Combining State and County Data Enhances Local Health Prevalence
November 7, 2023
County-level health data provides invaluable local insights, but state surveys contain data at broader geographic levels. How can county-level statistics be reliably extracted from state…
