A Longitudinal Investigation of the Codevelopment and Bidirectional Relations among Whole Number Arithmetic and Conceptual and Procedural Fraction Knowledge

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Title: A Longitudinal Investigation of the Codevelopment and Bidirectional Relations among Whole Number Arithmetic and Conceptual and Procedural Fraction Knowledge
Language: English
Authors: Chang Xu (ORCID 0000-0002-6702-3958), Sabrina Di Lonardo Burr, Lisa Jane Rodgers, Judith Wylie, Jiwei Si, Bijuan Huang, Kaiyue Guo, Hongxia Li
Source: Journal of Educational Psychology. 2026 118(2):224-239.
Availability: American Psychological Association. Journals Department, 750 First Street NE, Washington, DC 20002. Tel: 800-374-2721; Tel: 202-336-5510; Fax: 202-336-5502; e-mail: order@apa.org; Web site: http://www.apa.org
Peer Reviewed: Y
Page Count: 16
Publication Date: 2026
Document Type: Journal Articles
Reports - Research
Education Level: Elementary Education
Grade 4
Intermediate Grades
Grade 5
Middle Schools
Descriptors: Foreign Countries, Elementary Education, Mathematics Education, Arithmetic, Fractions, Longitudinal Studies, Grade 4, Grade 5, Thinking Skills, Sequential Learning, Learning Strategies
Geographic Terms: China
DOI: 10.1037/edu0000942
ISSN: 0022-0663
1939-2176
Abstract: How do conceptual and procedural fraction knowledge influence the development of each other over time? Is their pattern of development a reflection of instruction? In the present study, we conducted a four-wave longitudinal investigation of the co- and bidirectional development of whole number arithmetic, and conceptual and procedural fraction knowledge during a critical phase of fraction learning. Chinese students (N = 1,055, M[subscript age] = 9.8, SD = 0.7) educated through a linear curriculum completed whole number arithmetic, and conceptual and procedural fraction assessments during the first and second terms in Grade 4 and Grade 5. Cross-lagged panel analysis, controlling for students' nonverbal reasoning skills, revealed that conceptual and procedural fraction knowledge did not influence the development of one another prior to Grade 5. However, starting in Grade 5, a unidirectional pattern emerged, where conceptual fraction knowledge supported the development of procedural fraction knowledge. This unilateral conceptual-to-procedural pattern of development contrasts with findings from studies with students in the United States, suggesting that educational experiences may shape the codevelopment of these two types of fraction knowledge. Furthermore, proficiency in whole number arithmetic predicted the development in both conceptual and procedural fraction knowledge, highlighting its important role alongside conceptual knowledge in supporting the acquisition of fraction procedures. Our findings emphasize the need to consider educational experiences and foster meaningful connections between concepts and procedures during fraction instruction while promoting mastery of whole number arithmetic to promote students' development of fraction knowledge.
Abstractor: As Provided
Notes: https://osf.io/yspb6
Entry Date: 2026
Accession Number: EJ1507476
Database: ERIC
FullText Text:
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PubType: Academic Journal
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IllustrationInfo
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  Data: A Longitudinal Investigation of the Codevelopment and Bidirectional Relations among Whole Number Arithmetic and Conceptual and Procedural Fraction Knowledge
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  Data: <searchLink fieldCode="AR" term="%22Chang+Xu%22">Chang Xu</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0002-6702-3958">0000-0002-6702-3958</externalLink>)<br /><searchLink fieldCode="AR" term="%22Sabrina+Di+Lonardo+Burr%22">Sabrina Di Lonardo Burr</searchLink><br /><searchLink fieldCode="AR" term="%22Lisa+Jane+Rodgers%22">Lisa Jane Rodgers</searchLink><br /><searchLink fieldCode="AR" term="%22Judith+Wylie%22">Judith Wylie</searchLink><br /><searchLink fieldCode="AR" term="%22Jiwei+Si%22">Jiwei Si</searchLink><br /><searchLink fieldCode="AR" term="%22Bijuan+Huang%22">Bijuan Huang</searchLink><br /><searchLink fieldCode="AR" term="%22Kaiyue+Guo%22">Kaiyue Guo</searchLink><br /><searchLink fieldCode="AR" term="%22Hongxia+Li%22">Hongxia Li</searchLink>
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  Data: <searchLink fieldCode="SO" term="%22Journal+of+Educational+Psychology%22"><i>Journal of Educational Psychology</i></searchLink>. 2026 118(2):224-239.
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  Data: American Psychological Association. Journals Department, 750 First Street NE, Washington, DC 20002. Tel: 800-374-2721; Tel: 202-336-5510; Fax: 202-336-5502; e-mail: order@apa.org; Web site: http://www.apa.org
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  Data: Y
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  Data: 16
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  Data: Journal Articles<br />Reports - Research
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  Data: <searchLink fieldCode="DE" term="%22Foreign+Countries%22">Foreign Countries</searchLink><br /><searchLink fieldCode="DE" term="%22Elementary+Education%22">Elementary Education</searchLink><br /><searchLink fieldCode="DE" term="%22Mathematics+Education%22">Mathematics Education</searchLink><br /><searchLink fieldCode="DE" term="%22Arithmetic%22">Arithmetic</searchLink><br /><searchLink fieldCode="DE" term="%22Fractions%22">Fractions</searchLink><br /><searchLink fieldCode="DE" term="%22Longitudinal+Studies%22">Longitudinal Studies</searchLink><br /><searchLink fieldCode="DE" term="%22Grade+4%22">Grade 4</searchLink><br /><searchLink fieldCode="DE" term="%22Grade+5%22">Grade 5</searchLink><br /><searchLink fieldCode="DE" term="%22Thinking+Skills%22">Thinking Skills</searchLink><br /><searchLink fieldCode="DE" term="%22Sequential+Learning%22">Sequential Learning</searchLink><br /><searchLink fieldCode="DE" term="%22Learning+Strategies%22">Learning Strategies</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22China%22">China</searchLink>
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  Label: DOI
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  Data: 10.1037/edu0000942
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  Data: 0022-0663<br />1939-2176
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  Data: How do conceptual and procedural fraction knowledge influence the development of each other over time? Is their pattern of development a reflection of instruction? In the present study, we conducted a four-wave longitudinal investigation of the co- and bidirectional development of whole number arithmetic, and conceptual and procedural fraction knowledge during a critical phase of fraction learning. Chinese students (N = 1,055, M[subscript age] = 9.8, SD = 0.7) educated through a linear curriculum completed whole number arithmetic, and conceptual and procedural fraction assessments during the first and second terms in Grade 4 and Grade 5. Cross-lagged panel analysis, controlling for students' nonverbal reasoning skills, revealed that conceptual and procedural fraction knowledge did not influence the development of one another prior to Grade 5. However, starting in Grade 5, a unidirectional pattern emerged, where conceptual fraction knowledge supported the development of procedural fraction knowledge. This unilateral conceptual-to-procedural pattern of development contrasts with findings from studies with students in the United States, suggesting that educational experiences may shape the codevelopment of these two types of fraction knowledge. Furthermore, proficiency in whole number arithmetic predicted the development in both conceptual and procedural fraction knowledge, highlighting its important role alongside conceptual knowledge in supporting the acquisition of fraction procedures. Our findings emphasize the need to consider educational experiences and foster meaningful connections between concepts and procedures during fraction instruction while promoting mastery of whole number arithmetic to promote students' development of fraction knowledge.
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  Label: Abstractor
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  Data: As Provided
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  Data: https://osf.io/yspb6
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  Data: 2026
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  Label: Accession Number
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  Data: EJ1507476
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=eric&AN=EJ1507476
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        Value: 10.1037/edu0000942
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      – SubjectFull: Foreign Countries
        Type: general
      – SubjectFull: Elementary Education
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      – SubjectFull: Mathematics Education
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      – SubjectFull: Arithmetic
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      – SubjectFull: Fractions
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      – SubjectFull: Grade 5
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