Figure 1From: Assessing the internal validity of a household survey-based food security measure adapted for use in Iran Comparison of calibrations (severity parameter estimates) of adult items in the Isfahan Food Security Survey versus the U.S. Current Population Survey Food Security supplement. Note: For this comparison, the calibrations of the items estimated from the U.S. CPS-FSS data were adjusted by a linear transformation to equate the mean and standard deviation of the item calibrations to those estimated from the Isfahan data.Back to article page