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All Journal Journal of Advanced Sciences and Mathematics Education
Sudirman
Universitas Terbuka, Indonesia
Chemistry Education Mathematics Physics Social Sciences

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Assessing technology integration in mathematics teaching: Development and preliminary content validation of an integrated didactic tetrahedron–TPACK instrument Kartono; Sudirman; Thesa Kandaga; Mery Novianti
Journal of Advanced Sciences and Mathematics Education Vol. 6 No. 3 (2026): Journal of Advanced Sciences and Mathematics Education
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/jasme.v6i3.1561

Abstract

Background: Meaningful technology integration in mathematics teaching requires teachers to coordinate technological knowledge with pedagogy, mathematical content, and classroom interactions. Although the Didactic Tetrahedron and Technological Pedagogical Content Knowledge (TPACK) provide complementary perspectives on this process, instruments integrating both frameworks remain limited. Aim: This study aimed to develop an integrated Didactic Tetrahedron–TPACK instrument and establish preliminary evidence of its content validity for assessing technology integration in secondary mathematics teaching. Method: As the initial stage of a larger sequential explanatory mixed-methods project, preliminary interviews with in-service mathematics teachers informed instrument development. A 30-item questionnaire covering seven TPACK domains and technology-mediated didactical relations, accompanied by a five-question semi-structured interview protocol, was subsequently evaluated through expert judgment. Results: Preliminary findings revealed limited meaningful technology integration despite increasing emphasis on deep-learning pedagogy. Expert evaluation yielded an overall mean relevance score of 3.89 out of 4. Twenty-six questionnaire items and all interview questions were rated highly relevant, whereas four items required minor revision, with Technological Content Knowledge receiving the lowest domain score (3.50). Conclusion: The instrument demonstrates promising preliminary content relevance for assessing technology integration in mathematics teaching, while further multi-expert validation and psychometric testing are required before large-scale implementation. 
Co-Authors Kartono Mery Novianti Thesa Kandaga