He did so by analyzing National Assessment of Educational Progress (NAEP) achievement scores (mathematics and reading) from fourth and eighth graders in each state. McDaniel ( 2006) created aggregate-level IQ estimates for the 50 U.S. These variables comprise well-being, and state IQ is a central node in this network. state, a nexus of important, strongly correlated variables exists. Global well-being likewise correlated with many old and new variables in the nexus, including a correlation of 0.80 with IQ. Interestingly, state IQ derived here also correlated 0.58 with state IQ estimates from over 100 years ago. For example, state IQ most strongly predicted FICO credit scores, alcohol consumption (directly), income inequality, and state temperature. When validating the nexus, several interesting correlations existed among the variables. I also created new global well-being scores by analyzing state variables from the following four well-being subdomains: crime, income, health, and education. Thus, I first created new state IQ estimates by analyzing scores from both the Program for the International Assessment of Adult Competency (for adults), and the National Assessment of Educational Progress (for fourth and eighth grade children) exams. Updated state IQ and well-being estimates are therefore needed. However, the state IQ estimates are now more than 16 years old, and the state well-being estimates are over 12 years old. These variables strongly correlate with estimates of state IQ in interesting ways. states, an interconnected nexus of well-being variables exists.
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