Policymakers considering interventions that improve cognitive performance (IQ) need estimates of the value of IQ improvements. Using the classical model of structured expert judgment, we develop estimates of the percentage increase in earned income from interventions to increase IQ in India. Our...

We use the classical model, a method for structured expert judgment (SEJ), to study the effects of breastfeeding on IQ. Data on the link between breastfeeding and IQ are available, e.g., the US National Longitudinal Study of Youth, however, questions about data quality and confounding mean...