A complete description of the measures in the LLAMA Study can be found on the

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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. (2021). Pathways to learning mathematics for students in French-immersion and English-instruction programs. Journal of Educational Psychology.聽
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. Journal of Educational Psychology. *co-first authors
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. Cognitive Development, 59(7), 1-15.
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鈥檚 arithmetic fluency from Grades 2 to 3 Developmental Psychology, 57(7), 1067-1079.