For a full list please see Google Scholar.<\/a><\/p>\n Yu, S., Sidney, P., Kim, D., Thompson, C. A., & Opfer, J. E. (2024). From integers to fractions: The role of analogy in transfer and long-term learning<\/a>.\u00a0Journal of Experimental Child Psychology<\/i>,\u00a0243<\/i>, 105918. https:\/\/doi.org\/10.1016\/j.jecp.2024.105918<\/p>\n Susperreguy, M. I., Di Lonardo Burr, S. M., Xu, C., Douglas, H., Bourque, T., del R\u00edo, M.F., Salinas, V., LeFevre, J-A. (2024). The Role of Mathematical Vocabulary in the Development of Mathematical Skills for Spanish-Speaking Students. <\/a><\/span>Cognitive Development, 70<\/span>, <\/span>https:\/\/doi.org\/10.1016\/j.cogdev.2024.101441<\/p>\n Research Snapshot – English<\/a><\/p>\n Sumario – Espanol<\/a><\/p>\n Lafay, A., Adrien, E., Lonardo Burr, S. D., Douglas, H., Provost-Larocque, K., Xu, C., LeFevre, J.-A., Maloney, E. A., Osana, H. P., Skwarchuk, S.-L., & Wylie, J. (2023). Transcoding of French numbers for first- and second-language learners in third grade.<\/a> Quarterly Journal of Experimental Psychology<\/i>, 0<\/i>(0). https:\/\/doi.org\/10.1177\/17470218231174339<\/p>\n Xu, C., Di Lonardo Burr, S., LeFevre, J.-A., Skwarchuk, S.-L., Osana, H. P., Maloney, E. A., Wylie, J., Simms, V., Susperreguy, M. I., Douglas, H., & Lafay, A. (2023). Development of children\u2019s number line estimation in primary school: Regional and curricular influences.<\/a> Cognitive Development, 67, 101355. https:\/\/doi.org\/10.1016\/j.cogdev.2023.101355<\/p>\n Xu, C., Di Lonardo Burr, S., & LeFevre, J-A. (Accepted\/In press). The hierarchical relations among mathematical competencies: from fundamental numeracy to complex mathematical skills.<\/a> Canadian Journal of Experimental Psychology<\/em>. https:\/\/doi.org\/10.1037\/cep0000311<\/p>\n DiStefano, M., Retanal, F., Bureau, J.-F., Hunt, T. E., Lafay, A., Osana, H. P., Skwarchuk, S.-L., Trepiak, P., Xu, C., LeFevre, J.-A., & Maloney, E. A. (2023). Relations between math achievement, math anxiety, and the quality of parent\u2013child interactions while solving math problems.<\/a> Education Sciences<\/i>, 13<\/i>(3), 307. https:\/\/doi.org\/10.3390\/educsci13030307<\/p>\n Tomasetto, C., LeFevre, J.-A., Passolunghi, M. C., De Vita, C., Guardabassi, V., Brunelli, A., Ciotti, F., & Biasini, G. (2022). With a little help from our pediatrician: An intervention to promote mathematics-related home activities through regular well-child visits.<\/a> Frontiers in Psychology<\/i>, 13<\/i>. https:\/\/doi.org\/10.3389\/fpsyg.2022.1051822<\/p>\n Berrigan, L. I., LeFevre, J.-A., Rees, L. M., Berard, J. A., Francis, A., Freedman, M. S., & Walker, L. A. S. (2022). The symbol digit modalities test and the paced auditory serial addition test involve more than processing speed.<\/a> Multiple Sclerosis and Related Disorders<\/i>, 68<\/i>, 104229. https:\/\/doi.org\/10.1016\/j.msard.2022.104229<\/p>\n Di Lonardo Burr, S. M., Xu, C., Li, H., Si, J., LeFevre, J., & Wang, Y. (2022). Fraction mapping and fraction comparison skills among grade 4 Chinese students: An error analysis.<\/a> British Journal of Educational Psychology<\/i>, 92<\/i>(4), 1335\u20131353. https:\/\/doi.org\/10.1111\/bjep.12503<\/p>\n Di Lonardo Burr, S. M., Xu, C., Douglas, H., LeFevre, J.-A., & Susperreguy, M. I. (2022). Walking another pathway: The inclusion of patterning in the pathways to mathematics model.<\/a> Journal of Experimental Child Psychology<\/i>, 222<\/i>, 105478. https:\/\/doi.org\/10.1016\/j.jecp.2022.105478<\/p>\n Di Lonardo Burr, S. M., LeFevre, J., Arnold, L. E., Epstein, J. N., Hinshaw, S. P., Molina, B. S., Hechtman, L., Hoza, B., Jensen, P. S., Vitiello, B., Pelham, W. E., & Howard, A. L. (2022). Paths to postsecondary education enrollment among adolescents with and without childhood attention\u2010deficit\/hyperactivity disorder (ADHD): A longitudinal analysis of symptom and academic trajectories.<\/a> Child Development<\/i>, 93<\/i>(5). https:\/\/doi.org\/10.1111\/cdev.13807<\/p>\n Xu, C., Di Lonardo Burr, S., Skwarchuk, S.-L., Douglas, H., Lafay, A., Osana, H. P., Simms, V., Wylie, J., Maloney, E. A., & LeFevre, J.-A. (2022). Pathways to learning mathematics for students in French-immersion and English-instruction programs.<\/a> Journal of Educational Psychology<\/i>, 114<\/i>(6), 1321\u20131342. https:\/\/doi.org\/10.1037\/edu0000722<\/p>\n Skwarchuk, S.-L., Douglas, H., Cahoon, A., LeFevre, J.-A., Xu, C., Roy, E., Simms, V., Wylie, J., Maloney, E. A., Osana, H. P., & Susperreguy, M. I. (2022a). Relations between the Home Learning Environment and the literacy and mathematics skills of eight-year-old Canadian children.<\/a> Education Sciences<\/i>, 12<\/i>(8), 513. https:\/\/doi.org\/10.3390\/educsci12080513<\/p>\n Xu, C., Li, H., Di Lonardo Burr, S., Si, J., LeFevre, J.-A., & Huang, B. (2022). Divide and conquer: Relations among arithmetic operations and emerging knowledge of fraction notation for Chinese students in grade 4.<\/a> Journal of Experimental Child Psychology<\/i>, 217<\/i>, 105371. https:\/\/doi.org\/10.1016\/j.jecp.2021.105371<\/p>\n Susperreguy, M. I., Di Lonardo Burr, S., Douglas, H., Xu, C., LeFevre, J.-A., del R\u00edo, M. F., & Salinas, V. (2022). Home mathematics environment and math performance of Chilean students in kindergarten and grades 1 to 3.<\/a> Early Childhood Research Quarterly<\/i>, 59<\/i>, 84\u201395. https:\/\/doi.org\/10.1016\/j.ecresq.2021.11.004<\/p>\n Xu, C., Lafay, A., Douglas, H., Di Lonardo Burr, S., LeFevre, J.-A., Osana, H. P., Skwarchuk, S.-L., Wylie, J., Simms, V., & Maloney, E. A. (2022). The role of mathematical language skills in arithmetic fluency and word-problem solving for first- and second-language learners.<\/a> Journal of Educational Psychology<\/i>, 114<\/i>(3), 513\u2013539. https:\/\/doi.org\/10.1037\/edu0000673<\/p>\n Skwarchuk, S.-L., Douglas, H., Cahoon, A., LeFevre, J.-A., Xu, C., Roy, E., Simms, V., Wylie, J., Maloney, E. A., Osana, H. P., & Susperreguy, M. I. (2022b). Relations between the Home Learning Environment and the literacy and mathematics skills of eight-year-old Canadian children.<\/a> Education Sciences<\/i>, 12<\/i>(8), 513. https:\/\/doi.org\/10.3390\/educsci12080513<\/p>\n Susperreguy, M. I., Jim\u00e9nez Lira, C., & LeFevre, J.-A. (2022). Cross-cultural comparisons of home numeracy and Literacy Environments: Canada, Mexico, and Chile.<\/a> Education Sciences<\/i>, 12<\/i>(2), 62. https:\/\/doi.org\/10.3390\/educsci12020062<\/p>\n LeFevre, J.-A., Skwarchuk, S.-L., Sowinski, C., & Cankaya, O. (2022). Linking quantities and symbols in early numeracy learning.<\/a> Journal of Numerical Cognition<\/i>, 8<\/i>(1), 1\u201323. https:\/\/doi.org\/10.5964\/jnc.7249<\/p>\n LeFevre, J.-A., Skwarchuk, S.-L., Sowinski, C., & Cankaya, O. (in press) Linking quantities and symbols in early numeracy learning. Journal of Numerical Cognition<\/em>. Accepted July 2021.<\/p>\n Xu, C.*, Lafay A*., Douglas H., Di Lonardo Burr, S., LeFevre, J.-A., Osana H., Skwarchuk S., Wylie, J., Simms, V., & Maloney, E. A. (2021). The role of domain-specific math language skills in arithmetic fluency and word-problem solving for first- and second-language learners.<\/a> Journal of Educational Psychology. DOI: 10.1037\/edu0000673 *co-first authors<\/p>\n Di Lonardo Burr, S., & LeFevre, J. (2021). Fixated in more familiar territory: Providing an explicit midpoint for typical and atypical number lines.<\/a> Quarterly Journal of Experimental Psychology<\/em>, 73(3), 523-535. DOI: 10.1177\/1747021820967618<\/p>\n Song, S. C, Xu, C., Skwarchuk, S., Maloney, E., Di Lonardo Burr, S., Lafay A, Wylie, J., & Osana, H. & LeFevre, J.-A. (2021). Arithmetic skill predicts growth in math anxiety from grade 2 to grade 3.<\/a> Cognitive Development<\/em>, 59<\/em>(7), 1-15. DOI: 10.1016\/j.cogdev.2021.101078<\/p>\n Xu, C., LeFevre, J., Skwarchuk, S.-L., Di Lonardo Burr, S., Lafay, A., Wylie, J., Osana, H. P., Douglas, H., Maloney, E., & Simms, V. (2021). Individual differences in the development of children\u2019s arithmetic fluency from Grades 2 to 3.<\/a> Developmental Psychology<\/em>, 57(7<\/em>), 1067-1079. DOI: 10.1037\/dev0001220<\/p>\n Di Lonardo Burr, S. M., & LeFevre, J.-A. (2021). The subject matters: relations among types of anxiety, ADHD symptoms, math performance, and literacy performance.<\/a> Cognition and Emotion<\/em>, 0<\/em>(0), 1\u201316. DOI: 10.1080\/02699931.2021.1955243<\/p>\n Susperreguy, M. I., Di Lonardo, S., Xu, C., Douglas, H., & LeFevre, J. (2020). Children\u2019s home numeracy environment predicts growth of their early mathematical skills in kindergarten.<\/a> Child Development<\/em>, 91<\/em>(5), 1663-1680. DOI: 10.1111\/cdev.13353<\/p>\n Silinkas, G., Di Lonardo Burr, S., Douglas, H., Xu, C., LeFevre, J., Garckija, R., Gabrialaviciute, I., & Raiziene, S. (2020). Responsive home numeracy as children progress from kindergarten through Grade 1.<\/a> Learning and Individual Differences, 53, <\/em>484-495. DOI:10.1016\/j.ecresq.2020.06.003<\/p>\n Pyke, A. A., LeFevre, J., & Bourque, G. (2019). Expediting arithmetic automaticity: Do inconvenient computation strategies induce spontaneous testing effects?<\/a> \u00a0Journal of Cognitive Psychology, 31, <\/em>104-115. DOI: 10.1080\/20445911.2018.1557664<\/p>\n Xu, C., & LeFevre, J. (2020). Children\u2019s knowledge of symbolic number in grades 1 and 2: Integration of associations.<\/a> Child Development, 92(3), <\/em>1099-1117. DOI: 10.1111\/cdev.13473<\/p>\n Douglas, H. P., & LeFevre, J. (2017). Exploring the influence of basic cognitive skills on the relation between math performance and math anxiety.<\/a> Journal of Numerical Cognition, 3(3), <\/em>642-666. DOI:10.5964\/jnc.v3i3.113<\/p>\n Jim\u00e9nez Lira, C., Carver, M., Douglas, H. P., & LeFevre, J. (2017). The integration of symbolic and non-symbolic representations of exact quantity in preschool children<\/a>. Cognition,<\/em> 166<\/em>, 382-397. DOI: 10.1016\/j.cognition.<\/a>2017.05.033<\/p>\n Xu, C., & LeFevre, J. (2016). Training young children on sequential relations among numbers and spatial decomposition: Differential transfer to number line and mental transformation tasks<\/a>. Developmental Psychology, 52(6), 854-886<\/em>. DOI:10.1037\/dev0000124<\/p>\n Hawes, Z., LeFevre, J., Xu, C., & Bruce, C. (2015).\u00a0 Mental rotation with tangible three-dimensional objects: A new measure sensitive to developmental differences in 4- to 8-year-old children.<\/a> Mind, Brain, and Education<\/em>, 9, <\/em>10-18. DOI: 10.1111\/mbe.12051<\/p>\n Xu, C., Wells, E., Imbo, I., & LeFevre, J. (2014). Strategic flexibility in computational estimation for Chinese- and Canadian-educated adults.<\/a> Journal of Experimental Psychology: Learning, Memory, & Cognition, 40(5), <\/em>1481-1497. DOI: 10.1037\/a0037346<\/p>\n S\u00e9n\u00e9chal, M., & LeFevre, J. (2014). Continuity and change in the home literacy environment as predictors of growth in vocabulary and reading.<\/a> Child Development<\/em>, 73, <\/em>445-460. DOI:\u00a010.1111\/cdev.12222<\/p>\n Cankaya, O. Z., LeFevre, J., & Dunbar, K. \u00a0(2014). The role of number naming systems and numeracy experience in children\u2019s rote counting: Evidence from Turkish and Canadian children.<\/a> Learning and Individual Differences, 32,\u00a0<\/em>238-245.<\/p>\n Skwarchuk, S. L., Sowinski, C., & LeFevre, J. (2014).\u00a0 Formal and informal home learning activities in relation to children\u2019s early numeracy and literacy skills: The development of a home numeracy model.<\/a> Journal of Experimental Child Psychology<\/em>, 121<\/em>, 63-84.<\/p>\n Watchorn, R. P. D., Bisanz, J., Fast, L., LeFevre, J., Skwarchuk, S. L., & Smith-Chant, B. L. (2014). Development of mathematical knowledge in young children: Attentional skill and the use of inversion.<\/em> <\/a>Journal of Cognition and Development, 15, <\/em>161-180.<\/p>\n Lukie, I., Skwarchuk, S. L., LeFevre, J., & Sowinski, C. (2013).\u00a0 Relating child interests and collaborative parent-child interactions to the home learning environment<\/a>.\u00a0 Early Childhood Education Journal<\/em>. DOI:10.1007\/s10643-013-0604-7<\/p>\n LeFevre, J., Jim\u00e9nez Lira, C., Sowinski, C., Cankaya, O., Kamawar, D., & Skwarchuk, S. L. (2013). Charting the role of the number line in mathematical development.<\/a>\u00a0 Frontiers in Psychology, 4, <\/em>1-9. DOI: 10.3389\/fpsyg.2013.00641<\/p>\n Robert, N. D., & LeFevre, J. (2013). Ending up with less: The role of working memory in solving simple subtraction problems.<\/a> Research in Mathematics Education, 15(2), <\/em>165-176. <\/em><\/p>\n Berrigan, L., LeFevre, J., Rees, L. M., Walker, L. A. S., Berard, J., & Freedman, M. S. (2013). Cognition in early relapsing-remitting multiple sclerosis: Consequences may be relative to working memory.<\/a> Journal of the International Neuropsychological Society, 19, <\/em>1-12.<\/p>\n LeFevre, J., Berrigan, L., Vendetti, C., Kamawar, D., Bisanz, J., Skwarchuk, S.-L., & Smith-Chant, B. L. (2013). The role of executive attention in the acquisition of mathematical skills for children in grades two through four.<\/a>\u00a0 Journal of Experimental Child Psychology<\/em>, 114<\/em>, 243-261.<\/p>\n Robinson, K., & LeFevre, J. (2011). The inverse relations between multiplication and division: Concepts, procedures, and a cognitive framework.<\/a> Educational Studies in Mathematics. <\/em>Published online 26 May 2011. DOI: 10.1007\/s10649-011-9330-5<\/p>\n Imbo, I., & LeFevre, J. (2011). Cultural differences in strategic behavior: A study in computational estimation.<\/a> Journal of Experimental Psychology: Learning, Memory, & Cognition, 37(5), <\/em>1294-1301.<\/p>\n Pyke, A. A., & LeFevre, J. (2011). Calculator use need not undermine direct-access ability: The roles of retrieval, calculation, and calculator use in the acquisition of arithmetic facts.<\/a> Journal of Educational Psychology, 103(3), <\/em>607-616.<\/p>\n LeFevre, J., Fast, L., Skwarchuk, S. L., Smith-Chant, B. L., Bisanz, J., Kamawar, D., & Penner-Wilger, M. (2010). Pathways to mathematics:\u00a0 Longitudinal predictors of performance.<\/a> Child Development, 81(6), <\/em>1753-1767.<\/p>\n Das, R., LeFevre, J., & Penner-Wilger, M. (2010). Negative numbers in simple arithmetic.<\/a>\u00a0 Quarterly Journal of Experimental Psychology, 63(10), <\/em>1943-1952. <\/em><\/p>\n LeFevre, J., Polyzoi, E., Skwarchuk, S. L., Fast, L., & Sowinski, C. (2010). Do home numeracy and literacy practices of Greek and Canadian parents predict the numeracy skills of Kindergarten children?<\/a> International Journal of Early Years Education, 18(1), <\/em>55-70.<\/p>\n Imbo, I., & LeFevre, J. (2010). The role of phonological and visuo-spatial working memory\u00a0in complex arithmetic problem solving.<\/a> Memory & Cognition<\/em>, 38, 176-185. DOI: 10.3758\/MC.38.2.176<\/p>\n