“…Professional Development Impacts on Teaching Practices A number of researchers have identified best practices in teacher professional development, such as active learning, opportunities to reflect on teaching practices, a focus on content knowledge, proximity to classroom practices, and sufficient time to learn and to implement what has been learned (Capps, Crawford, & Constas, 2012;De Rijdt, Stes, van der Vleuten, & Dochy, 2013;Desimone, Porter, Garet, Yoon, & Birman, 2002;Garet, Porter, Desimone, Birman, & Yoon, 2001;Heller, Daehler, Wong, Shinohara, & Miratrix, 2012;Ingvarson, Meiers, & Beavis, 2005;Loucks-Horsley, Love, Stiles, Mundry, & Hewson, 2003;Penuel, Fishman, Yamaguchi, & Gallagher, 2007). For example, Supovitz and Turner (2000) found that the intensity and duration of teacher professional development has a significant positive impact on inquiry-based teaching practices and investigative classroom culture.…”