Data Management and Statistics Experts
The Faculty Experts Guide is updated periodically. Check back regularly for new information.
Chang Park
Expert on: Biostatistics
Dr. Chang Park is a research assistant professor in the Department of Population Health Nursing Science. He has over 30 years of diverse research experience as a biostatistician and statistical consultant. He has worked with researchers studying a diverse range of topics, including work on a study to develop statistical models for complex, longitudinal, EMA(Ecological Momentary Assessment) data gathered from continuous glucose, activity, sleep monitors and public survey. Dr. Park has expertise in developing statistical models to analyze diabetes, sleep, exercise and symptom data, and panel data.
Alana Steffen
Expert on: Biostatistics
Dr. Alana Steffen is a research associate professor in the Department of Population Health Nursing Science and Senior Biostatistician in the Office of Research Facilitation. As a biostatistician, her work helps to advance the substantive content areas of varied teams of collaborators. She has considerable experience serving as co-investigator and statistician on randomized controlled trials including acupuncture and behavioral interventions for prevention and management of chronic disease. She has worked with teams to investigate interventions for pain, sleep disturbance, tobacco cessation, physical activity, HIV exposure notification for partners of prisoners in Indonesia, and other health promotion areas. Dr. Steffen’s experiences have given depth to her understanding of the selection of comparison conditions, randomization procedures, process evaluation, mediation, and moderation.
Nathan Tintle
Expert on: Biostatistics, data management
Dr. Nathan Tintle is a research professor in the Department of Population Health Nursing Science. For over 20 years he has been an active and productive biostatistician providing support on numerous projects, developing new statistical methodologies and serving as PI on numerous NIH and NSF grants. He has acted as the lead biostatistician on numerous observational (cross-sectional, cohort) and interventional trials including the NIH funded HeartUp! Interventional trial. He currently serves as MPI on the Everyday Experiences and Environments prospective cohort study and is the lead statistician on the Inlife clinical trial data harmonization project. His expertise includes study design, grant/strategic research project development, overseeing the data collection process, quantitative data analysis, and data management.