rowid,ID,Pollster,Polls,Live Caller With Cellphones,Internet,NCPP/AAPOR/Roper,Polls.1,Simple Average Error,Races Called Correctly,Advanced Plus-Minus,Predictive Plus-Minus,538 Grade,Banned by 538,Mean-Reverted Bias
1,1,Monmouth University,71,yes,no,yes,41,5.488592,0.8521127,-1.452013,-1.200763,A+,no,0.5892957
2,2,Field Research Corporation (Field Poll),25,yes,no,yes,17,3.8568,1.0,-2.54074,-1.142149,A+,no,-1.095745
3,3,Selzer & Company,37,yes,no,yes,24,4.620541,0.8378378,-1.624378,-1.119856,A+,no,-0.0074074
4,4,Elway Research,18,yes,no,yes,16,3.987778,0.8888889,-2.306804,-0.98125,A+,no,0.481087
5,5,Ciruli Associates,17,yes,no,yes,16,3.604118,0.9411765,-2.002258,-0.9534631,A+,no,-0.7176087
6,6,ABC News/Washington Post,51,yes,no,yes,46,3.021961,0.7843137,-1.041506,-0.8607013,A+,no,0.5755263
7,7,Grove Insight,29,yes,no,no,29,3.140344,0.8965517,-2.512963,-0.8169233,A,no,0.4808475
8,8,Marist College,146,yes,no,yes,85,5.395822,0.880137,-0.8353609,-0.8118232,A,no,-0.6708696
9,9,Muhlenberg College,22,yes,no,yes,21,3.493636,0.9090909,-1.327424,-0.7950342,A,no,-0.4982353
10,10,National Journal,12,yes,no,yes,12,2.596667,1.0,-2.609999,-0.7897959,A,no,-0.1785714
11,11,Public Policy Institute of California,12,yes,no,yes,8,4.065,1.0,-1.992754,-0.7877255,A,no,-0.7092106
12,12,SurveyUSA,763,no,no,yes,597,4.62772,0.9017038,-0.975466,-0.756749,A,no,0.090319
13,13,University of Cincinnati (Ohio Poll),38,yes,no,yes,29,3.729211,0.9342105,-0.9062568,-0.7280639,A,no,-1.453051
14,14,Siena College,42,yes,no,yes,38,5.331666,0.8452381,-0.8431964,-0.7085312,A,no,-0.2779412
15,15,Fairleigh Dickinson University (PublicMind),18,yes,no,yes,17,4.077778,0.9444444,-1.250776,-0.700291,A,no,0.0451064
16,16,"Research & Polling, Inc.",26,yes,no,no,25,4.136154,0.8461539,-1.693069,-0.6159658,A,no,-0.6661818
17,17,Fox News/Anderson Robbins Research/Shaw & Company Research,24,yes,no,yes,9,6.39625,0.6458333,-0.7573535,-0.5699349,A,no,0.4471795
18,18,Marquette University,7,yes,no,yes,4,2.594286,1.0,-3.762563,-0.569905,A,no,-0.0594118
19,19,Behavior Research Center (Rocky Mountain),7,yes,no,yes,5,3.46,0.7142857,-2.487332,-0.569905,A,no,0.088
20,20,Blum & Weprin Associates,18,yes,no,no,16,4.557777,0.9444444,-2.592506,-0.563125,A,no,-1.034565
21,21,NBC News/Wall Street Journal,25,yes,no,yes,20,4.182001,0.74,-0.607908,-0.5093797,A-,no,0.4582
22,22,University of Connecticut,7,yes,no,yes,7,3.64,0.9285714,-1.555947,-0.4858951,A-,no,-0.3637838
23,23,Time/Abt SRBI,7,yes,no,yes,6,3.172857,1.0,-1.545493,-0.4839172,A-,no,0.4425
24,24,Angus Reid Global,29,no,yes,no,29,3.269655,0.9310345,-1.996648,-0.4183522,A-,no,-1.337627
25,25,Ipsos,49,no,yes,yes,43,4.254286,0.7755102,-0.9168712,-0.4141193,A-,no,0.1450685
26,26,Quinnipiac University,169,yes,no,yes,117,4.664438,0.872781,-0.3431102,-0.3986399,A-,no,-0.6578912
27,27,University of Arkansas,4,yes,no,yes,4,2.4325,1.0,-5.493968,-0.3982699,A-,no,0.2861765
28,28,IBD/TIPP,17,yes,no,no,17,2.307059,0.7647059,-1.555318,-0.3726976,A-,no,-0.7468085
29,29,CBS News/New York Times,55,yes,no,yes,45,4.729818,0.7545455,-0.2623802,-0.3694986,A-,no,0.6442667
30,30,CNN/Opinion Research Corp.,89,yes,no,yes,61,5.464831,0.758427,-0.2757123,-0.3671682,A-,no,-0.1073626
31,31,Los Angeles Times,40,yes,no,yes,24,5.23775,0.8625,-0.2377604,-0.3550468,A-,no,-0.6116667
32,32,MassINC Polling Group,11,yes,no,no,7,3.081819,1.0,-2.434031,-0.3221356,A-,no,-0.1775676
33,33,St. Norbert College,12,yes,no,no,11,3.868333,0.875,-1.838594,-0.3159249,A-,no,0.2531707
34,34,EPIC-MRA,43,yes,no,no,38,5.080698,0.8372093,-0.7529311,-0.2872285,A-,no,-0.3530883
35,35,Western New England University,11,yes,no,yes,10,5.827272,0.8636364,-0.2534983,-0.2825269,A-,no,-1.152
36,36,University of North Florida,4,yes,no,yes,2,4.490001,0.5,-0.9633091,-0.2763063,B+,no,0.31625
37,37,University of New Hampshire,93,yes,no,yes,77,5.252903,0.8763441,-0.1389312,-0.2622139,B+,no,1.658318
38,38,High Point University,2,yes,no,yes,2,0.9499989,1.0,-5.644591,-0.2609375,B+,no,0.005625
39,39,Indiana University,2,yes,no,yes,2,0.8549995,1.0,-4.171918,-0.2609375,B+,no,0.0534375
40,40,GfK Group,19,no,yes,yes,19,3.398947,0.9210526,-1.114287,-0.2479431,B+,no,-0.0914286
41,41,Castleton University,3,yes,no,yes,0,9.933333,1.0,-1.000844,-0.241399,B+,no,
42,42,Lake Research Partners,9,yes,no,no,9,3.845555,0.8333333,-2.325385,-0.2354438,B+,no,0.4976923
43,43,Princeton Survey Research Associates International,32,yes,no,yes,31,4.63125,0.6875,0.0001773,-0.2281083,B+,no,0.2577049
44,44,Garin-Hart-Yang Research Group,22,yes,no,no,22,5.312727,0.8636364,-0.8991593,-0.2032834,B+,no,1.289231
45,45,Franklin & Marshall College,18,yes,no,yes,15,5.743888,0.9444444,0.0993153,-0.1940068,B+,no,-0.3782222
46,46,"RKM Research and Communications, Inc.",26,yes,no,no,18,5.593077,0.8653846,-0.7785377,-0.1913619,B+,no,-0.20625
47,47,University of South Alabama,8,yes,no,no,8,2.75125,1.0,-3.00668,-0.1882548,B+,no,-0.4060526
48,48,University of Florida,1,yes,no,yes,1,1.07,0.5,-2.230408,-0.1837669,B+,no,0.0345161
49,49,"Mason-Dixon Polling & Research, Inc.",415,yes,no,no,355,5.212409,0.8614458,-0.3800204,-0.1782705,B+,no,-0.9653247
50,50,Pew Research Center,20,yes,no,yes,20,3.4155,0.575,0.145644,-0.1745424,B+,no,0.5542
51,51,"National Research, Inc.",8,yes,no,no,6,5.0575,0.8125,-1.922492,-0.1719374,B+,no,-0.4511111
52,52,Market Shares Corp.,26,yes,no,yes,22,6.78423,0.8461539,0.1869822,-0.1458399,B+,no,-1.730577
53,53,Fleming & Associates,15,yes,no,no,13,5.078,1.0,-1.01001,-0.1400032,B+,no,-0.2902325
54,54,Market Research Insight,7,yes,no,no,5,1.784285,1.0,-4.398869,-0.1381958,B+,no,0.1891429
55,55,Montana State University Billings,7,yes,no,no,7,3.607142,0.5714286,-3.66488,-0.1381958,B+,no,0.5591892
56,56,Riley Research Associates,7,yes,no,no,7,2.657143,1.0,-2.378693,-0.1381958,B+,no,-0.1189189
57,57,Vanderbilt University,1,yes,no,yes,0,8.9,1.0,0.4947172,-0.1032922,B+,no,
58,58,Elon University,4,yes,no,yes,4,3.960001,0.5,0.7268667,-0.0774621,B+,no,0.3794118
59,59,RT Strategies,42,yes,no,yes,42,5.762381,0.7142857,0.2686314,-0.059965,B+,no,1.091944
60,60,Public Policy Polling,383,no,no,no,263,4.918433,0.8237598,-0.496451,-0.054239,B+,no,-0.2037543
61,61,Greenberg Quinlan Rosner/American Viewpoint,5,yes,no,no,4,4.444001,1.0,-2.78075,-0.0283673,B+,no,-0.5597059
62,62,Ward Research (Honolulu Star-Advertiser),14,yes,no,no,14,6.003572,0.75,-0.7039244,-0.0234388,B+,no,-0.5524999
63,63,"Harstad Strategic Research, Inc.",9,yes,no,no,9,3.806667,0.7222222,-1.039461,-0.0137811,B+,no,0.7753847
64,64,Temple University,6,no,no,yes,5,3.66,1.0,-1.505706,-0.0026177,B+,no,-0.3531428
65,65,Suffolk University,67,yes,no,no,36,5.202538,0.8208955,-0.2230502,-0.0007645,B+,no,0.7319697
66,66,Pan Atlantic SMS Group,17,yes,no,no,15,6.778235,0.9117647,-0.5243747,0.0001968,B+,no,0.9171111
67,67,University of Washington,10,yes,no,no,10,3.988999,1.0,-0.871708,0.002073,B,no,0.22975
68,68,Clemson University,5,yes,no,no,1,10.296,1.0,-1.740682,0.0086781,B,no,-0.5387097
69,69,American Viewpoint,6,yes,no,no,6,3.958333,0.6666667,-1.350454,0.0232577,B,no,-0.6297222
70,70,Strategies 360,4,yes,no,no,4,2.035001,0.625,-3.152815,0.0320415,B,no,-0.0664706
71,71,"Davis, Hibbitts & Midghall, Inc.",12,yes,no,no,10,4.274167,0.8333333,-0.5770275,0.0445228,B,no,-0.04625
72,72,Pharos Research Group,31,yes,no,no,31,4.044839,0.9193549,-0.2087144,0.0578906,F,yes,0.8706558
73,73,Google Consumer Surveys,12,no,yes,no,12,2.224998,0.8333333,-1.944728,0.0815063,B,no,-0.6290476
74,74,University of Massachusetts Amherst,11,yes,no,no,2,6.527272,1.0,-0.4717854,0.0878732,B,no,-0.4478125
75,75,Philadelphia Inquirer,4,yes,no,no,4,2.98,1.0,-1.472829,0.0940616,B,no,-0.3141177
76,76,"Keating Research, Inc.",3,yes,no,no,3,2.220001,0.6666667,-3.04524,0.0966116,B,no,-0.0236364
77,77,Missouri State University,3,yes,no,no,3,4.366669,0.6666667,-2.393266,0.0966116,B,no,0.3727273
78,78,Mellman Group,21,yes,no,no,21,4.853333,0.7857143,-0.1846877,0.1032255,B,no,1.640784
79,79,Cole Hargrave Snodgrass & Associates,4,yes,no,no,3,6.345,0.75,-1.27962,0.1167922,B,no,0.3130303
80,80,University of Massachusetts Lowell,14,yes,no,no,6,5.262144,0.9285714,-0.2432433,0.1231416,B,no,-0.1452778
81,81,YouGov,707,no,yes,no,652,6.679067,0.927157,-0.2802982,0.1257655,B,no,1.598431
82,82,Voter/Consumer Research,6,yes,no,no,5,5.523332,1.0,-0.7016245,0.1313959,B,no,-0.208
83,83,SoonerPoll.com,16,yes,no,yes,12,8.496251,0.8125,1.036585,0.132007,B,no,1.817381
84,84,Richmond Times-Dispatch,4,yes,no,no,4,3.3025,1.0,-1.094253,0.1386,B,no,0.3414706
85,85,The Polling Company Inc.,3,yes,no,no,3,3.66,1.0,-1.482646,0.1436438,B,no,-0.0339394
86,86,Tarrance Group,24,yes,no,no,20,6.156667,0.8333333,-0.0477479,0.152112,B,no,-0.6604
87,87,Public Opinion Strategies,53,yes,no,no,51,5.884529,0.6603774,-0.0024708,0.1523213,B,no,-1.914321
88,88,Market Decisions,4,yes,no,no,4,5.164999,1.0,-0.9643474,0.153883,B,no,-0.0535294
89,89,McKeon & Associates,2,yes,no,no,1,0.9050007,1.0,-6.63812,0.1657812,B,no,-0.0277419
90,90,RBI Strategies & Research,2,yes,no,no,1,0.7049999,1.0,-6.571612,0.1657812,B,no,-0.0219355
91,91,Frederick Polls,2,yes,no,no,1,2.384998,0.75,-4.91725,0.1657812,B,no,-0.0187097
92,92,APC Research,2,yes,no,no,2,2.530001,1.0,-3.475548,0.1657812,B,no,0.158125
93,93,Tulchin Research,2,yes,no,no,2,3.450001,1.0,-3.162069,0.1657812,B,no,-0.215625
94,94,GBA Strategies,2,yes,no,no,2,3.689999,1.0,-2.702554,0.1657812,B,no,-0.230625
95,95,Stockton College,5,yes,no,no,5,4.468001,1.0,-0.6040429,0.1710551,B,no,0.5291429
96,96,Knowledge Networks,3,no,yes,yes,1,4.093333,1.0,-1.137104,0.1750567,B,no,-0.0083871
97,97,Kiley & Company,2,yes,no,no,2,5.1,1.0,-1.715313,0.1835742,B,no,0.2125
98,98,New England College,15,no,no,no,15,3.016667,0.7666667,-1.28471,0.1917635,B,no,-0.618
99,99,Moore Information,6,yes,no,no,6,6.453334,0.6666667,-0.3234115,0.1944314,B,no,-0.4694445
100,100,Landmark Communications,24,no,no,no,18,4.905416,0.875,-0.8656572,0.1952635,B,no,0.520625