While mobile devices are becoming increasingly ubiquitous (even in low-income families in the United States) and are being used for educational purposes, it is unclear how these technological tools may benefit letter learning (a foundational precursor to early literacy achievement) in preschool children. To contribute clarity, this study tested…

A repeated acquisition (RA) design was used to compare the effectiveness of research-based instruction embedded in repeated storybook reading facilitated by an adult or tablet application (app) on the vocabulary knowledge of six preschool children. All participants selected scored below the 40th percentile on the "Preschool Language…