“…What they mostly have in common, though, is the fact that professional identity is not a stable entity, but rather a continually changing, active, and ongoing process. They also share that it is not only influenced by teachers' personal characteristics, learning history, prior experiences and beliefs, among other things, but also by professional contexts, colleagues, or by teachers' knowledge, skills and educational attitudes (e.g., Beauchamp & Thomas, 2009;Beijaard et al, 2000;Beijaard et al, 2004;Cooper & Olson, 1996;Flores & Day, 2006;Hong, 2010;Olsen, 2010Olsen, , 2011Schepens et al, 2009).…”