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All is Not Lost with Incomplete Datasets
Structural Zero 10: What is a "structural zero"
I’m Maria Gargiulo. I started with HRDAG as an intern in 2018 and I’ve worked with the team as a statistician since 2020. I’m currently earning my doctoral degree from the London School of Hygiene and Tropical Medicine where my thesis explores the very statistical methods HRDAG uses to study and understand complex human rights violations around the world.
Recently, we wrote about the challenge of statistical bias: the data that is collected is seldom complete and may not be representative of the population we are trying to study. There are many types of statistical biases that can occur. We ...
Watch Now: What is a structural zero?
“If we wait for data to be perfect, we’ll be waiting forever.”
Statistician Maria Gargiulo explains how researchers use multiple systems estimation to measure hidden victims of armed conflict and political violence.
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Haiti
In 1995, the Haitian National Commission for Truth and Justice (CNVJ) requested the advice of the American Association for the Advancement of Science (AAAS) and Dr. Patrick Ball on how to develop a large-scale project to take the testimonies of several thousand witnesses of human rights abuses in Haiti.
The team conducted work incorporating over 5,000 interviews covering over 8,500 victims to produce detailed regional analyses, using quantitative material from the interviews, historical, economic and demographic analysis.