Participating in effective professional development (PD) activities is crucial for helping teachers improve the quality of pedagogy and students' learning results. Numerous factors influence the design of effective PD, one of which is duration. However, many teachers do not find much time to participate in long-term concentrated and continuous PD…

The purpose of this quantitative study was to investigate the extent to which professional development practices in professional learning communities are consistent with research-based principles of effective professional development. Additionally, the study investigated potential differences in the content focus, active learning, coherence, and…

The purpose of this study was to examine the extent and manner in which teachers use mathematics textbooks in their daily teaching. Specific attention was given to textbook implementation differences related to two types of mathematics textbooks where the mathematical content is organized differently. Only schools where a dual curricular option…