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This study aimed to detect the underlying domain-specific and domain-general differences between DD and typically developing (TD) children. We recruited 9-year-old primary school children to form the DD group via a 2-year longitudinal screening process. In total, 75 DD children were screened from 1,657 children after the one-time screening, and 13 DD children were screened from 1,317 children through a consecutive 2-year longitudinal screening. In total, 13 experimental tasks were administered to assess their cognitive abilities to test the domain-specific magnitude representation hypothesis (including symbolic and nonsymbolic magnitude comparisons) and four alternative domain-general hypotheses (including working memory, executive function, attention, and visuospatial processing). The DD group had worse performance than the TD group on the number sense task, finger sense task, shifting task, and one-back task after both one-time and two-time screening. Logistic regressions further indicated the differences on the shifting task and the nonsymbolic magnitude comparison task could distinguish DD and TD children. Our findings suggest that domain-specific nonsymbolic magnitude representation and domain-general executive function both contribute to DD. Thus, both domain-specific and domain-general abilities will be necessary to investigate and to intervene in DD groups in the future.<\/jats:p>","DOI":"10.1177\/00222194221099674","type":"journal-article","created":{"date-parts":[[2022,6,8]],"date-time":"2022-06-08T09:08:14Z","timestamp":1654679294000},"page":"257-277","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":8,"title":["What Skills Could Distinguish Developmental Dyscalculia and Typically Developing Children: Evidence From a 2-Year Longitudinal Screening"],"prefix":"10.1177","volume":"56","author":[{"given":"Danfeng","family":"Li","sequence":"first","affiliation":[{"name":"Central University of Finance and Economics, Beijing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xuejing","family":"Zhang","sequence":"additional","affiliation":[{"name":"Central University of Finance and Economics, Beijing, 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