THOMAS M. CARSEY
University of North Carolina
RICHARD G. NIEMI
University of Rochester
WILLIAM D. BERRY
Florida State University
LYNDA W. POWELL
University of Rochester
JAMES M. SNYDER
Massachusetts Institute of Technology
State Legislative
Elections, 1967–2003: Announcing the Completion of a Cleaned and
Updated Dataset
More than 15 years—nine
election cycles—have passed since a comprehensive set of state legislative
election data was compiled and made available to researchers and practitioners:
the Inter-University Consortium for Political and Social Research's (ICPSR)
State Legislative Election Returns in the United States dataset
(Study #8907) collected by Malcolm Jewell (Jewell 1991) and containing
observations from 1967 to 1988.1 With this hiatus in mind, we set out
at various times—initially in three independent efforts (Berry and
Carsey; Niemi, and Powell; Snyder)—to gather legislative election
data for all states and elections since 1988. In addition, Berry and Carsey
(2005) cleaned the original dataset to make it more accurate and usable;
their corrections led to the release of a revised ICPSR dataset (Study
#3938). The culmination of these efforts is a dataset containing information
about general elections for state legislative seats from 1967 to 2003,
now available through ICPSR (Study 21480).
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