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Ideology scores for the Utah House of Representatives, 2010

Political scientists have developed advanced algorithms that can calculate each legislator's ideology score based on his or her legislative voting record. Here I use the W-NOMINATE method (it's an acronym, hence the caps). Important caveats:

  1. Ideology scores have no scale. There is not a number that means "liberal" or "conservative." Scores have only relative meaning, so that a lower score indicates a more liberal voting record than a higher score.
  2. Scores are only comparable within a single chamber, within a single year. You cannot compare House scores to Senate scores, and you cannot compare 2018 scores to 2019 scores. (That's because of caveat #1: Scores have no scale.)
  3. Scores reflect what comes to the floor. In a supermajority Republican Legislature, most fights are between moderate Republicans and conservative Republicans, not between Republicans and Democrats. Thus, scores calculated from votes in the Utah Legislature will reveal more daylight among Republicans than among Democrats.
  4. Zero does not mean "moderate," it just means "the middle of this group of legislators." See the preceding point. Also, "moderate" Utah Republican legislators are usually pretty conservative on a national scale.
  5. Scores close to 100 are not "most loyal Republicans." Even calling these "most conservative" would be very misleading, since it implies these legislators come closest to some conservative standard. Utah is a very conservative state, and a legislator near the middle of this particular Republican pack is likewise very conservative. Scores near 100 indicate Republicans at the extreme end of the scale, who are to the right of even most Republicans, and perhaps well to the right of the Republican party platform.

You can find a thorough discussion of these ideology scores at the Utah data points blog.

The scores below are for 2010 in the Utah House of Representatives. Select a different year here:
House: - 2007 - 2008 - 2009 - 2010 - 2011 - 2012 - 2013 - 2014 - 2015 - 2016 - 2017 - 2018 - 2019
Senate: - 2007 - 2008 - 2009 - 2010 - 2011 - 2012 - 2013 - 2014 - 2015 - 2016 - 2017 - 2018 - 2019

Distribution of scores

The plot below summarizes how many legislators fall into each score range. There is one "D" for each Democrat in the given range, and one "R" for each Republican. There are 75 legislators in the Utah House of Representatives.

 -100 to -90 | DDDDDDD
-90.1 to -80 | DDDDDDD
-80.1 to -70 | DDDD
-70.1 to -60 | DD
-60.1 to -50 | DD
-50.1 to -40 | 
-40.1 to -30 | R
-30.1 to -20 | RRR
-20.1 to -10 | R
  -10.1 to 0 | RRRRR
   0.1 to 10 | RRRR
  10.1 to 20 | RRRRRRRRRRRR
  20.1 to 30 | RRRR
  30.1 to 40 | RRR
  40.1 to 50 | RRRRRRRRRR
  50.1 to 60 | RRR
  60.1 to 70 | RR
  70.1 to 80 | RR
  80.1 to 90 | RR
 90.1 to 100 | R

Detailed ideology data

If you use this data in published work, please credit me appropriately.

Legislator Party Chamber Year Ideology score
Chavez-Houck, Rebecca D House 2010 -97.2
Riesen, Phil D House 2010 -95.1
King, Brian S. D House 2010 -94.1
Biskupski, Jackie D House 2010 -93.6
Hemingway, Lynn N. D House 2010 -92.8
Fisher, Janice M. D House 2010 -91.4
Johnson, Christine A. D House 2010 -90.9
Moss, Carol Spackman D House 2010 -89.5
Hansen, Neil A. D House 2010 -87.5
Wiley, Larry B. D House 2010 -87.5
Cosgrove, Tim M. D House 2010 -84.4
Wheatley, Mark A. D House 2010 -82.8
Seegmiller, F. Jay D House 2010 -80.7
Litvack, David D House 2010 -80.4
Seelig, Jennifer M. D House 2010 -77.8
Black, Laura D House 2010 -76.2
Duckworth, Susan D House 2010 -73.7
Poulson, Marie H. D House 2010 -72.4
Watkins, Christine F. D House 2010 -63.6
Beck, Trisha S. D House 2010 -63.2
Gowans, James R. D House 2010 -58.9
Hendrickson, Neal B. D House 2010 -57.7
Allen, Sheryl L. R House 2010 -37.1
Edwards, Rebecca P. R House 2010 -27.7
Powell, Kraig R House 2010 -23.8
McIff, Kay L. R House 2010 -22.8
Hunsaker, Fred R R House 2010 -13.5
Menlove, Ronda Rudd R House 2010 -9.4
Mascaro, Steven R. R House 2010 -8.8
Vickers, Evan J. R House 2010 -3.9
Draxler, Jack R. R House 2010 -3.4
Clark, Stephen D. R House 2010 -2.5
Brown, Melvin R. R House 2010 0.6
Webb, R. Curt R House 2010 0.7
Hutchings, Eric K. R House 2010 5.9
Ferry, Ben C. R House 2010 9.5
Dunnigan, James A. R House 2010 10.3
Ipson, Don L. R House 2010 10.6
Ray, Paul R House 2010 13.0
Bigelow, Ron R House 2010 16.2
Bird, Jim R House 2010 16.5
Painter, Patrick R House 2010 16.6
Greenwood, Richard A. R House 2010 16.9
Fowlke, Lorie D. R House 2010 16.9
Wallis, C. Brent R House 2010 17.0
Aagard, Douglas C. R House 2010 18.4
Garn, Kevin S. R House 2010 18.8
Fisher, Julie R House 2010 19.1
Barrus, Roger E. R House 2010 20.6
Last, Bradley G. R House 2010 21.6
Froerer, Gage R House 2010 22.1
Dee, Brad L. R House 2010 27.9
Clark, David R House 2010 32.2
Harper, Wayne A. R House 2010 35.9
Gibson, Francis D. R House 2010 39.6
Anderson, Johnny R House 2010 42.1
Noel, Michael E. R House 2010 42.5
Hughes, Gregory H. R House 2010 42.5
Gibson, Kerry W. R House 2010 44.2
Grover, Keith R House 2010 46.1
Kiser, Todd E. R House 2010 48.6
Lockhart, Rebecca D. R House 2010 48.9
Mathis, John G. R House 2010 49.2
Daw, Bradley M. R House 2010 49.5
Herrod, Christopher N. R House 2010 49.9
Sandstrom, Stephen E. R House 2010 50.7
Newbold, Merlynn T. R House 2010 51.0
Oda, Curtis R House 2010 53.7
Wilcox, Ryan D. R House 2010 62.3
Frank, Craig A. R House 2010 65.4
Wright, Bill R House 2010 76.3
Sumsion, Kenneth W. R House 2010 79.0
Dougall, John R House 2010 84.7
Wimmer, Carl R House 2010 88.9
Morley, Michael T. R House 2010 90.7