Purpose: This article describes the process of developing and implementing a supplemental early literacy curriculum designed for preschoolers demonstrating delays in literacy development. Method: Intervention research and implementation research have traditionally been viewed as sequential processes. This article illustrates a process of…

This article highlights the development process and data-driven decisions that characterized a 5-year iterative process of development and evaluation of a Tier 2 early language curriculum, "Story Friends." This curriculum was specifically designed to be effective and feasible for high fidelity implementation in preschool settings.…