SimilarityRank
Gallup 0.774 31251
Zogby 0.754 98864
YouGov 0.722 84388
Barna 0.713 91612
Ipsos 0.710 76730
survey's 0.699 87684
Survey 0.686 8173
survey 0.675 2189
Poll 0.671 23153
poll 0.666 6805
Brookings 0.664 43136
comScore 0.663 55106
eMarketer 0.658 73322
Nielsen's 0.655 94282
Forrester 0.654 31949
Nielsen 0.644 22948
Annenberg 0.642 68782
Philanthropy 0.641 37785
nonpartisan 0.640 43692
Attitudes 0.636 47056
Research 0.634 1739
pollster 0.633 73527
Surveys 0.633 25981
Research's 0.633 87025
Trends 0.630 17170