Related by context. Frequent words. (Click for all words.) 61 random sample 54 randomly selected sample 52 oversample 51 Consumer Confidence Survey 51 statistically valid 51 demographically 49 randomly selected 49 Toluna 48 random sampling 47 Values Survey 46 randomly sampled 46 demographics 46 GfK Custom Research 45 generalizable 45 extrapolated 45 National Longitudinal Survey 44 Sampling error 44 demographically diverse 43 Demographically 43 Factor Surveillance 43 Interview Survey 43 Medical Expenditure Panel 43 Lightspeed Research 43 GfK Roper 43 Zogby Interactive 43 randomly chosen 43 Current Population Survey 42 demographic 42 survey 42 markets technologies econometrics 42 Survey 42 uSamp 42 National Longitudinal Study 42 stratified random sample 41 population 41 WorldPublicOpinion.org 41 ethnically diverse 41 sample 41 Nutrition Examination Survey NHANES 41 StrategyOne 41 analyzed 41 projectable 41 Frank N. Magid 40 GlobeScan 40 theoretical sampling error 40 metropolitan statistical areas 40 polled 40 Ipsos MORI 40 sampled 40 Harris Decima 40 eMarketer estimates 40 Bizjournals 40 Metropolitan Statistical Areas MSAs 40 prospective cohort 40 surveys 39 unduplicated 39 Household Survey 39 evenly split 39 Yankelovich 39 NHANES 39 Synovate 39 homogenous 39 evenly divided 39 conducted 39 MORI 39 Behavioral Risk 39 collated 38 representativeness 38 KRC Research 38 www.harrisinteractive.com 38 Ambulatory Medical 38 conduced 38 Consumer Finances 38 AARP Segunda Juventud 38 demographic characteristics 38 Knowledge Networks 38 Note Babble 38 Census Bureau 38 census 38 Opinion Survey 38 comprised 37 unweighted 37 generalize 37 sampling error margin 37 metropolitan areas 37 Gallup Organization 37 Sample Survey 37 Vendor Value 37 generalizability 37 Conducted 37 Vision Critical 37 nonelderly 37 households 37 retrospective cohort study 37 Customer Satisfaction Study 37 fluoridated 37 Ipsos 37 socio demographic 37 Satisfaction Study 37 surveyed 37 unrepresentative