Yi-Yin Ko

Transforming Perceptions of Proof: A Four-Part Instructional Sequence

Sean P. Yee, Sarah K. Bleiler, J. D. Boyle, 2015 .

Validating Proofs and Counterexamples across Content Domains: Practices of Importance for Mathematics Majors.

E. Knuth, Yi-Yin Ko, Y. Ko, 2013 .

Effects of constructing, critiquing, and revising arguments within university classrooms

Sean P. Yee, Sarah K. Bleiler-Baxter, J. D. Boyle, 2017 .

Undergraduate mathematics majors’ writing performance producing proofs and counterexamples about continuous functions

E. Knuth, Yi-Yin Ko, 2009 .

Considering Proofs: Pre-Service Secondary Mathematics Teachers' Criteria for Self-Constructed and Student-Generated Arguments

Yi-Yin Ko, Mary K. Rose, 2022, The Journal of Mathematical Behavior.