Related by context. Frequent words. (Click for all words.) 51 Easterlin 45 Ruhm 43 Rosenheck 43 Carsey Institute 42 Ropeik 42 Guttmacher 41 SAIRR 41 Postdoctoral Research 41 IFPRI 40 statistician 40 evolutionary psychologist 40 Psychologist Dr 40 Consumer Confidence Survey 40 Dongarra 39 biological anthropologist 39 Statistician 39 atmospheric physicist 39 econometric model 39 Acquisti 38 demographer 38 biostatistician 38 StatsSA 38 Plantinga 38 ECRI 38 econometric 38 Zagorsky 38 Gottlob 38 Demography 38 Alan Berube 38 Simon Kuper 38 NERI 38 Higher Education Supplement 38 Sociology Professor 38 Lydia Saad 37 Inequality 37 Eberstadt 37 Komlos 37 AIHW 37 empirical 37 CFED 37 Geographer 37 ippr 37 psychometrics 37 Economist 37 Neuroscientist 37 Clinical Epidemiology 37 IWMI 37 cognitive neuroscientist 37 Erickcek 37 Coauthor 37 researchers 37 researcher 36 sociologist 36 paleoanthropologist 36 sexologists 36 statics 36 evolutionary psychologists 36 atmospheric chemist 36 Nielsen Netratings 36 Chief Statistician 36 Ken Pomeroy 35 methodologically 35 Epidemiology 35 Lead researcher 35 Epidemiology Unit 35 Internal Displacement Monitoring 35 NTC Economics 35 Robock 35 reseachers 35 econometric modeling 35 MD M.Sc. 35 Justin Wolfers 35 statisticians 35 macroeconomists 35 Researcher 35 Longitudinal Study 35 Assessment Exercise 35 D.Phil 35 Twenge 34 Clinical psychologist 34 evolutionary biologist 34 IPPR 34 Mathematician 34 coauthor 34 Herzenberg 34 Bob Birrell 34 Anthropologist 34 Baseball Reference.com 34 NBER 34 Demographer 34 Geneticist 34 Hanushek 34 Ph.D. Associate Professor 34 sociologists 34 Professor 33 MD DrPH 33 Gillaspy 33 Pronab Sen 33 Economic Forecasting 33 PIOJ 33 ESMT