A Tale of Two Researchers: Commonalities, Complementarities, and Contrasts in an Examination of Mental Computation and Relational Thinking. - Helena P. Osana; Jérôme Proulx (J. Numer. Cogn., 2018)

Language in Math Problem Solving. - Renee Whittaker; Chang Xu; Jo-Anne LeFevre; Helena P. Osana; Jill Turner; Heather P. Douglas; Anne Lafay; Sheri-Lynn Skwarchuk (CogSci, 2019)

A Vicious Loop? Longitudinal Relations Between Math Anxiety and Math Performance for Grade 2 and 3 Students. - Shujie Song; Chang Xu; Jo-Anne LeFevre; Sheri-Lynn Skwarchuk; Erin A. Maloney; Helena P. Osana (CogSci, 2020)

An examination of third- and fourth-graders' equivalence knowledge after classroom instruction. - Emmanuelle Adrien; Helena P. Osana; Rebecca Watchorn Kong; Jeffrey Bisanz; Jody Sherman Levos (J. Numer. Cogn., 2021)

A direct comparison of two measures of ordinal knowledge among 8-year-olds. - Chang Xu; Jo-Anne LeFevre; Sabrina M. Di Lonardo Burr; Erin A. Maloney; Judith Wylie; Victoria Simms; Sheri-Lynn Skwarchuk; Helena P. Osana (J. Numer. Cogn., 2023)