This title is in the Environment Rating Scale ® Family of Products. This is the Spanish translation of the ITERS-R (Infant Toddler Environment Rating Scale-Revised edition) a widely used program quality assessment instrument designed for use in center-based child care programs for infants and toddlers up to 30 months of age. Cryer is a Scientist at the FPG Child Development Institute University of North Carolina at Chapel Hill. Used Book in Good Condition