| Party Identification in Texas, 1952-2008 | |
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| Source: American National Election Studies; Center for Public Policy, University of Houston; Texas Polls. (full source) | |
Full Source: 1952-1977: Calculated by authors from the Texas subset of the
American National Election Studies cumulative data file, 1948-2000
(Virginia Sapiro, Steven J. Rosenstone, and the National Election
Studies, 11th ICPSR version. Ann Arbor, MI: University of Michigan,
Center for Political Studies [producer], 2002. Ann Arbor, MI:
Inter-university Consortium for Political and Social Research
[distributor], 2002). 1978-1983: Annual surveys conducted by the
Center for Public Policy, University of Houston. Cited in Richard Murray
and Sam Attlesey, "Texas: Republicans Gallop Ahead", (1999), p. 339.
1983-1998: Calculated by authors from Texas Poll data provided by the
Office of Survey Research, University of Texas at Austin. 1999-2002:
From various published tabulations of Texas Poll data. Note that data
from 1984 to the present is annual but from 1952-1984 is either
quadrennial or biennial. To annualize earlier observations we
interpolated using the simple average of available prior and subsequent
annual observations.