M. T. Rücker, W. R. van Joolingen, and N. Pinkwart. Small but Powerful: A Learning Study to Address Secondary Students’ Conceptions of Everyday Computing Technology. ACM Transactions on Computing Education, Association for Computing Machinery, volume 20, issue 2, February 2020. M. T. Rücker and N. Pinkwart. "How Else Should It Work?" A Grounded Theory of Pre-College Students' Understanding of Computing Devices. ACM Transactions on Computing Education, volume 19, issue 1, November 2018.