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People News for February 2011

1 February 2011 1,800 views No Comment

Daniel Guzmán

Submitted by Ann Harrison

In October 2010, Colombian statistician Daniel Guzmán took the witness stand to present expert testimony in the case of Edgar Fernando García, a 26-year-old Guatemalan union leader who vanished in 1984. Guzmán, who is a member of the Benetech Human Rights Data Analysis Group (HRDAG), was asked by the Guatemalan attorney general to submit his analysis of records in the Guatemalan National Police Archive, which documented García’s detention by police. García was one of tens of thousands of Guatemalans who disappeared during the country’s 36 years of armed internal conflict.

Guzmán’s testimony, given against two former police officers on trial for their alleged role in García’s disappearance, was based on quantitative results from HRDAG’s four-year analysis of the Guatemalan National Police Archive. Guzmán designed a coding strategy to catalog the contents of the archive. ASA advisers Paul Zador and Gary Shapiro helped Guzmán design a sampling protocol. Because the archive was too large and disorganized to be sampled directly, HRDAG analysts used a topographical sampling frame and multistaged random sample.

After three years of coding key variables from random samples of archive documents, Guzmán and his colleagues were able to calculate the percentage of documents known by different police units. Their findings helped support arguments by prosecutors that relatively high-level National Police officers were aware of the planning, design, and supervision of the type of operations that resulted in García’s disappearance.

Guzmán also calculated estimates comparing the 667 documents pertaining to the García case with the representative sample of all the documents in the archive. This comparison showed that the units responsible for direction and coordination of National Police policy were acquainted with proportionately more than twice the number of documents related to the García case than with the total of all documents in the archive. By calculating the percentage of documents known by different police command structures, these findings helped analysts reach conclusions about relationships among Guatemalan security forces and communications between the army and police.

Ten days after the start of the García trial, a tribunal of the Guatemalan Supreme Court found the two police officers guilty of forced disappearance and sentenced them each to a maximum term of 40 years in prison.

Guzmán’s testimony supported prosecutors’ arguments about how the officers’ actions against García took place within the context of National Police policies. This testimony also helped the Guatemalan judiciary and the public understand how statistical methods provide an objective approach to understanding massive collections of human rights data.

Michael Latta

Michael Latta

Michael Latta, the William J. Baxley Jr. applied business professor at Coastal Carolina University (CCU), was recently named associate dean of CCU’s E. Craig Wall Sr. College of Business Administration. The position entails various administrative duties within the Wall College of Business in support of the dean, students, faculty, and staff.

“As the workload of the Wall College increases in volume and complexity, we are fortunate to have someone with Latta’s experience and abilities to fill this key position,” said J. Ralph Byington, dean of the Wall College of Business.

Latta earned a PhD in psychology from Iowa State University. He joined CCU in 2005 after many years in industry, including positions at companies such as AstraZeneca, Boehringer Mannheim, DuPont, and Wyeth. In addition, he owned and operated YTMBA Research, a firm specializing in predictive analytics. He has been a marketing and management consultant to Fortune 500 and small family businesses. Recently, he has taught capstone courses in marketing strategy and strategic management.

Calyampudi Radhakrishna Rao

C. R. Rao

The Royal Statistical Society (RSS) recently awarded Calyampudi Radhakrishna Rao, world-renowned statistician, the Guy Medal in Gold. The highest award given to a statistician in the United Kingdom, the Guy medal is given every three years to “those who are judged to have merited a significant mark of distinction by reason of their innovative contribution to theory or application of statistics.”

The medal will be presented to Rao at an awards ceremony following the society’s annual general meeting on June 29.

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