Development and Evaluation of NexaDB: A Moodle-Based Project-Based Learning Environment for Database Competency in Vocational Education
DOI:
https://doi.org/10.58740/vocational.v3i1.822Keywords:
Evaluation of NexaDB, Moodle-Based Project-Based Learning, Database Competency, Vocational EducationAbstract
Database learning in vocational education requires learning environments that can connect theoretical knowledge with practical project activities and coding practice. However, existing learning practices at SMKN 4 Bojonegoro remain predominantly teacher-centered and provide limited integration between project-based learning, digital learning materials, and database coding practice. This study aims to develop and evaluate NexaDB, a Moodle-based Learning M, anagement System that integrates Project-Based Learning (PjBL) and the Code Runner plugin to support students' cognitive and psychomotor database competencies. The study employed a Research and Development approach using the ADDIE model and a quantitative quasi-experimental non-equivalent control group design with pretest and posttest. The participants were 72 Grade XI Software Engineering students at SMKN 4 Bojonegoro, consisting of an experimental group using NexaDB with PjBL and a control group receiving the existing teacher-centered instruction. The results showed higher N-Gain scores in both cognitive and psychomotor competencies in the experimental group than in the control group. The independent-samples t-test indicated significant differences between the groups in cognitive competency (t=12.70, p<.001) and psychomotor competency (t=7.364, p<.001). The effect sizes (Cohen's d) and 95% confidence intervals further indicated the magnitude and precision of the intervention effect. The novelty of this study lies in integrating Moodle, Code Runner, and PjBL into a single learning environment that connects database concepts, coding practice, project development, assessment, and feedback. The findings contribute theoretically to the integration of project-based and technology-supported learning in vocational database education and provide a practical learning platform for teachers and students.
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