Conceptual and Methodological Challenges to Developing a Terrorist Event Data Base

Comparing the Use of Statistical Analysis in Social Science Research, 1995-99

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PGIS Data

Percent of Activity in Each Region, 1970-1997
(n = 67,134)

Types of Activity in Each Region, 1970-1997

Top 6 Countries Latin America, 1970-1997
(n = 27,777)

Top 6 Countries Europe, 1970-1997
(n = 12,832)

Top 6 Countries Asia, 1970-1997
(n = 12,511)

Top 6 Countries Mid-East,
North Africa, 1970-1997
(n = 9,041)

Top 6 Countries Sub-Saharan Africa, 1970-1997
(n = 4,001)

Major Archival Databases on Terrorist Incident Reports

Definitional challenges

Some Threats to the Validity of Event Data on Terrorism-1

Some Threats to the Validity of Event Data on Terrorism-2

Emerging Research Issues

Groups who Attack U.S. Nationals (First Seven Only)

Farabundo Marti National Liberation Front (FMLN) (El Salvador) 1972-

Abu Sayyaf Group; ASG (Philippines); FIRST SEVEN INCIDENTS ONLY

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How Terrorism Diffuses Spatially within a Country

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Hazard Ratio of Hijacking Attempt for each Policy by Type

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