McGinty, A. S., Breit-Smith, A., Fan, X., Justice, L. M., & Kaderavek, J. N. (2011). Does intensity matter? Preschoolers’ print knowledge development within a classroom-based intervention. Early Childhood Research Quarterly, 26(3), 255–267. https://doi.org/10.1016/j.ecresq.2011.02.002