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Impacts of Professional Development and Implementation Fidelity on Online Middle School Mathematics: A Quasi-Experimental Quantitative Study

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Title: Impacts of Professional Development and Implementation Fidelity on Online Middle School Mathematics: A Quasi-Experimental Quantitative Study
Language: English
Authors: Rusen Meylani (ORCID 0000-0002-3121-6088), Gary G. Bitter (ORCID 0000-0002-9099-1666), Jane M. Legacy (ORCID 0009-0008-5987-0285)
Source: Turkish Online Journal of Distance Education. 2025 26(2):90-119.
Availability: Anadolu University. Office of the Rector, Eskisehir, 26470, Turkey. Tel: +90-222-335-34-53; Fax: +90-222-335-34-86; e-mail: rektor@anadolu.edu.tr; e-mail: TOJDE@anadolu.edu.tr; Web site: http://tojde.anadolu.edu.tr/
Peer Reviewed: Y
Page Count: 30
Publication Date: 2025
Document Type: Journal Articles
Reports - Research
Tests/Questionnaires
Education Level: Junior High Schools
Middle Schools
Secondary Education
Descriptors: Faculty Development, Program Implementation, Fidelity, Middle School Students, Mathematics Achievement, Online Courses, Educational Technology, Conventional Instruction, Program Effectiveness, Pedagogical Content Knowledge, Technological Literacy, School Culture, Hispanic American Students, Low Income Students
Geographic Terms: Arizona (Phoenix)
ISSN: 1302-6488
Abstract: The primary goal of this study is to evaluate the efficacy of professional development (PD) and implementation fidelity on the performance of middle school students in mathematics within an online learning environment. Using a quasi-experimental design, the research compares educational outcomes between control and experimental groups post-intervention. The experimental group participated in a two-quarter web-based treatment using the Novel Online Learning Environment (NOLE), while the control group continued with traditional teaching methods. The most important contribution of this study is demonstrating that targeted professional development and high implementation fidelity significantly enhance middle school students' mathematics performance in an online learning environment. The results show that the experimental group outperformed the control group immediately following the intervention and maintained this advantage over a two-year period. These findings suggest that integrating PD and high implementation fidelity contributes to lasting educational benefits in mathematics learning. Implications for further research include investigating the long-term effects of PD beyond the immediate post-intervention phases and exploring the impact of similar interventions across different subjects and educational settings. The study also underscores the importance of continuous support and resource allocation to maintain implementation fidelity, highlighting its critical role in successfully adopting innovative educational technologies and methodologies. This research enhances the understanding of strategic PD and its significant role in improving the effectiveness of online mathematics education.
Abstractor: As Provided
Entry Date: 2025
Accession Number: EJ1466226
Database: ERIC
FullText Links:
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  Data: Impacts of Professional Development and Implementation Fidelity on Online Middle School Mathematics: A Quasi-Experimental Quantitative Study
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  Data: <searchLink fieldCode="AR" term="%22Rusen+Meylani%22">Rusen Meylani</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0002-3121-6088">0000-0002-3121-6088</externalLink>)<br /><searchLink fieldCode="AR" term="%22Gary+G%2E+Bitter%22">Gary G. Bitter</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0002-9099-1666">0000-0002-9099-1666</externalLink>)<br /><searchLink fieldCode="AR" term="%22Jane+M%2E+Legacy%22">Jane M. Legacy</searchLink> (ORCID <externalLink term="https://orcid.org/0009-0008-5987-0285">0009-0008-5987-0285</externalLink>)
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  Data: <searchLink fieldCode="SO" term="%22Turkish+Online+Journal+of+Distance+Education%22"><i>Turkish Online Journal of Distance Education</i></searchLink>. 2025 26(2):90-119.
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  Data: Anadolu University. Office of the Rector, Eskisehir, 26470, Turkey. Tel: +90-222-335-34-53; Fax: +90-222-335-34-86; e-mail: rektor@anadolu.edu.tr; e-mail: TOJDE@anadolu.edu.tr; Web site: http://tojde.anadolu.edu.tr/
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  Data: 30
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  Data: The primary goal of this study is to evaluate the efficacy of professional development (PD) and implementation fidelity on the performance of middle school students in mathematics within an online learning environment. Using a quasi-experimental design, the research compares educational outcomes between control and experimental groups post-intervention. The experimental group participated in a two-quarter web-based treatment using the Novel Online Learning Environment (NOLE), while the control group continued with traditional teaching methods. The most important contribution of this study is demonstrating that targeted professional development and high implementation fidelity significantly enhance middle school students' mathematics performance in an online learning environment. The results show that the experimental group outperformed the control group immediately following the intervention and maintained this advantage over a two-year period. These findings suggest that integrating PD and high implementation fidelity contributes to lasting educational benefits in mathematics learning. Implications for further research include investigating the long-term effects of PD beyond the immediate post-intervention phases and exploring the impact of similar interventions across different subjects and educational settings. The study also underscores the importance of continuous support and resource allocation to maintain implementation fidelity, highlighting its critical role in successfully adopting innovative educational technologies and methodologies. This research enhances the understanding of strategic PD and its significant role in improving the effectiveness of online mathematics education.
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  Data: 2025
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  Data: EJ1466226
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RecordInfo BibRecord:
  BibEntity:
    Languages:
      – Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 30
        StartPage: 90
    Subjects:
      – SubjectFull: Faculty Development
        Type: general
      – SubjectFull: Program Implementation
        Type: general
      – SubjectFull: Fidelity
        Type: general
      – SubjectFull: Middle School Students
        Type: general
      – SubjectFull: Mathematics Achievement
        Type: general
      – SubjectFull: Online Courses
        Type: general
      – SubjectFull: Educational Technology
        Type: general
      – SubjectFull: Conventional Instruction
        Type: general
      – SubjectFull: Program Effectiveness
        Type: general
      – SubjectFull: Pedagogical Content Knowledge
        Type: general
      – SubjectFull: Technological Literacy
        Type: general
      – SubjectFull: School Culture
        Type: general
      – SubjectFull: Hispanic American Students
        Type: general
      – SubjectFull: Low Income Students
        Type: general
      – SubjectFull: Arizona (Phoenix)
        Type: general
    Titles:
      – TitleFull: Impacts of Professional Development and Implementation Fidelity on Online Middle School Mathematics: A Quasi-Experimental Quantitative Study
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              Y: 2025
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