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Assessing the Validity of the Qualistar Early Learning Quality Rating and Improvement System as a Tool for Improving Child-Care

Assessing the Validity of the Qualistar Early Learning Quality Rating and Improvement System as a Tool for Improving Child-Care As a result of the generally low quality of child care in the United States, quality rating and improvement systems (QRISs) are proliferating in the child-care arena. This study examines the QRIS developed by Qualistar Early Learning, a nonprofit organization based in Colorado, evaluating how reliable the sy...