Related by context. Frequent words. (Click for all words.) 82 randomly selected 64 random sample 53 randomly 52 random sampling 47 random 47 randomly assigned 44 correctly guessed 43 Sampling error 42 sampling error 41 questionnaires 41 grand prize 41 select 41 preselected 41 randomized 40 prospective cohort 40 n = 40 sampling error margin 40 questionnaire 40 sample 39 surveyed 39 Eligible 39 evenly split 39 polled 38 Conducted 38 Grand Prize 38 demographic characteristics 38 survey 38 evenly divided 38 serum samples 38 Interview Survey 37 stratified 36 choose 36 surveys 36 varies greatly 36 extrapolated 36 divided evenly 36 evaluable 36 each 36 conducted 35 statistically valid 35 scavenger hunt 35 prescreened 35 Questionnaires 35 Each 35 listed alphabetically 35 Entrants 35 selected 35 responses 34 Approximately 34 GfK Roper Public 34 saliva samples 34 Subjects 34 Harris Decima 34 Winners 34 Semifinalists 34 participants 34 Prizes 34 sampled 34 analyzed 34 finalists 34 Kelton Research 33 culled 33 Roughly 33 eligible 33 subset 33 unscientific poll 33 unscientific survey 33 gender ethnicity 33 split evenly 33 longitudinal study 33 participating 33 Knowledge Networks 33 preregistered 33 ages 33 roughly 33 nationwide 33 trivia contests 33 varies considerably 33 Gallup Organization 33 Categories 33 aged 32 prizes 32 #,# [014] 32 varies 32 selects 32 genotype 32 categories 32 gift certificate 32 selecting 32 preferences 32 anonymized 32 ranged 32 YouGov 32 zip codes 32 profiles 32 Finalists 32 winnowed 32 METHODS 32 genetic markers 32 respondents 32 Respondents