Recent instructional reforms in science education bring a new vision that aims to move science teaching away from a focus on discrete facts covered at a superficial level to a focus on a smaller number of disciplinary core ideas that can be explored in depth. The success of these reforms depends on the instructional quality in science classrooms.…

This design case presents the conceptualization, design, and development of Early Science Matters (ESM), an online teacher professional development (oTPD) program for early childhood teachers. The program design consisted of five primary features that were expected to promote participant learning, including (1) visually oriented content, (2)…

This study aims to discover the different techniques teachers use in delivering lessons in an online class. Teachers are still adjusting to the effects of the pandemic on the education system, particularly on the delivery of learning online. It was revealed that educators tend to test various techniques in teaching the learners' competencies.…

This research focused on the impact of research- and assessment-based instruction on senior high school students' achievement in selected chemistry topics. A 3 × 2 × 2 pre-test and post-test control group in a quasi-experimental research design was used on a population of Grade 11 chemistry students in Ojo Local Government Area of Lagos state. Two…