Gregory P. Samsa

Greg Samsa is an applied statistician whose primary interests are in study design, instrument development, information synthesis, practice improvement, effective communication of statistical results, and teaching. He is a believer in the power of statistical thinking, as broadly defined.

Current Appointments & Affiliations

Professor of Biostatistics & Bioinformatics · 2021 - Present Biostatistics & Bioinformatics, Division of Biostatistics, Biostatistics & Bioinformatics

Director, Research Integrity Office · 2016 - Present Biostatistics & Bioinformatics, Division of Biostatistics, Biostatistics & Bioinformatics

Member of the Duke Cancer Institute · 2013 - Present Duke Cancer Institute, Institutes and Centers

Recent Publications

Enhancing Team Science by Training Collaborative Biostatisticians to have a Strong Statistical Voice.

Journal Article J Stat Theory Pract · 2026 Strong statistical voice is defined as the ability to advocate and negotiate for good and ethical statistical practices, including integrating and resolving differing scientific approaches. This skill is crucial for biostatisticians who work on biomedical ... Full text Link to item Cite

A Case Where It Is Better to have an Unstandardized measure of the Right Construct than a Standardized Measure of a Related One: Application to Coding Interviews Within a Course in SAS Programming

Journal Article Journal of Curriculum and Teaching · November 1, 2025 Interview-based examinations provide richer data than formats such as multiple choice and short answer, albeit at the cost of being less standardized. This describes administering a coding interview as the final examination in a class on SAS programming, p ... Full text Cite

Fabrication in a study about honesty: A lost episode of columbo illustrating how forensic statistics is performed.

Journal Article Account Res · October 2025 The three steps of a typical forensic statistical analysis are (1) verify that the raw data file is correct; (2) verify that the statistical analysis file derived from the raw data file is correct; and (3) verify that the statistical analyses are appropria ... Full text Link to item Cite

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Recent Grants

2/3 CTSA K12 Program at Duke University

ResearchMentor · Awarded by National Institutes of Health · 2025 - 2030

Building Relationship, Improving Dialogue, and Growing Empathy (BRIDGE): An intervention to support decision-making for critically ill children

ResearchCo Investigator · Awarded by National Institutes of Health · 2025 - 2030

Randomized Controlled Trial of a Hybrid-Delivered Cognitive Behavioral Symptom Management and Activity Coaching Intervention for Stem Cell Transplant Patients

ResearchCo Investigator · Awarded by National Institutes of Health · 2024 - 2029

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Education, Training & Certifications

University of North Carolina, Chapel Hill · 1988 Ph.D.