Teacher Professional Development discusses classroom action research (CAR) and its importance for teacher development. CAR involves identifying a research question, reviewing literature, planning a research strategy, gathering and analyzing data, taking action based on findings, and sharing results. It is a form of self-reflective inquiry that helps teachers improve student learning outcomes. The document outlines a seven-step process for conducting CAR, including identifying a research problem, reviewing background literature, planning a study design, collecting data, analyzing findings, taking action, and disseminating results.