Xu, Chang, Jo-Anne LeFevre, Sabrina Di Lonardo Burr, Erin A. Maloney, Judith Wylie, Victoria Simms, Sheri-Lynn Skwarchuk, and Helena P. Osana. “A Direct Comparison of Two Measures of Ordinal Knowledge Among 8-Year-Olds”. Journal of Numerical Cognition 9, no. 2 (July 31, 2023): 253-267. Accessed May 17, 2024. https://jnc.psychopen.eu/index.php/jnc/article/view/10201.