Scaffolding learning of language structures with visual-syntactic text formatting. - Youngmin Park; Ying Xu; Penelope Collins; George Farkas; Mark Warschauer (Br. J. Educ. Technol., 2019)

Are Current Voice Interfaces Designed to Support Children's Language Development? - Ying Xu; Stacy M. Branham; Xinwei Deng; Penelope Collins; Mark Warschauer (CHI, 2021)

Same benefits, different communication patterns: Comparing Children's reading with a conversational agent vs. a human partner. - Ying Xu; Dakuo Wang; Penelope Collins; Hyelim Lee; Mark Warschauer (Comput. Educ., 2021)

The role of bilingual discussion prompts in shared E-book reading. - Dandan Yang; Christina Xia; Penelope Collins; Mark Warschauer (Comput. Educ., 2022)

Promoting parent-child shared reading with a bilingual conversational agent. - Kunlei He; Kelsyann Cervera; Julian Levine; Ying Xu; Penelope Collins; Mark Warschauer (Int. J. Hum. Comput. Stud., 2025)