Partisan Polarization in Congress on Abortion

Some data using Senate NARAL Interest Group scores:

Senate Partisan Polarization on NARAL Scores 78-2006

Note the increasing polarization on abortion over the time series.

Standard Deviation Trend Intra-party on NARAL scores

This graph shows the decreasing variance within each party on abortion over time. Both Republicans and Democrats have become more consistent on their position on abortion since the 1970’s, with Republicans casting fewer ‘pro-choice’ votes and Democrats casting fewer ‘anti-choice’ votes. D.GOOCH

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Date: Monday, 4. April 2011 14:27
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