This quasi-experimental study was to design, develop, and implement one multimedia math lesson in third grade to improve students' math learning. The non-equivalent control group design was used. The experimental group had 11 third grade students and the control group had 15 third grade students in an African American predominated elementary…

Online professional development (OPD) is proliferating in an effort to eliminate barriers to high-quality in-service teacher training. Using the Internet as a vehicle for continuing professional development, however, introduces new concerns largely absent in its face-to-face counterpart. For example, evidence from the USA's e-Learning for…