“…Thus, researchers proposed that, like other social-cognitive types of self-efficacy, teachers' self-efficacy is influenced by personal mastery experiences, vicarious experiences (observation of models), social persuasion, and physiological indicators (Schunk, Pintrich, & Meece, 2008;TschannenMoran & Hoy, 2001). Proxies for these sources of teachers' self-efficacy examined in previous research include, but are not limited to, teaching experience, educational background in the subject matter taught, and professional development experiences (Stevens et al, 2013;Swackhamer, Koellner, Basile, & Kimbrough, 2009;Wolters & Daugherty, 2007).…”