Development and Content Validity of an E-Portfolio Assessment in a Chemistry Learning Media Development Course for Prospective Chemistry Teachers’ Creativity

Hastuti Agussalim; Jusniar; Ayu Ashari

doi:10.55927/eajmr.v5i6.182

Authors

Hastuti Agussalim Universitas Negeri Makassar
Jusniar Universitas Negeri Makassar
Ayu Ashari Universitas Negeri Makassar

DOI:

https://doi.org/10.55927/eajmr.v5i6.182

Keywords:

e-portfolio assessment, content validity, prospective chemistry teachers, creativity, chemistry learning media

Abstract

This study developed and examined the content validity of an e-portfolio assessment instrument for measuring prospective chemistry teachers’ creativity in a Chemistry Learning Media Development course. It addresses the limited availability of validated rubrics that assess both creative processes and final media products in chemistry teacher education. Using a Research and Development approach with the ADDIE model, this study was limited to the Analysis, Design, and Development stages. The instrument comprised five digital rubrics: Initial Analysis, Learning Media Design, Presentation, Chemistry Learning Media Product, and Media Development Progress Video. Data were obtained from three expert validators using a 30-item validation sheet and analyzed using Aiken’s V. The overall Aiken’s V value of 0.91 indicated high content validity. The instrument is feasible for use with minor revisions, while further implementation is needed to examine practicality, inter-rater reliability, and classroom effectiveness.

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