First and Third Graders' Conceptions of Programmers. - Laura Bofferding; Mahtob Aqazade; Lizhen Chen; Sezai Kocabas; Ana-Maria Haiduc (ICLS, 2020)

Second and fifth graders' use of knowledge-pieces and knowledge-structures when solving integer addition problems. - Mahtob Aqazade; Laura Bofferding (J. Numer. Cogn., 2021)