“…Notwithstanding these difficulties, the concept of professional craft knowledge has become a fundamental construct in understanding teachers' classroom practice; for example, some educationalists have a strong interest in examining how the craft knowledge of experienced teachers can be drawn upon to support the professional development of less experienced teachers, especially within programmes of initial teacher education (see Hagger & McIntyre, 2006;Kennedy, 1999;Loughran, 2005;McCluskey, 2007;Rigano & Ritchie, 1999). However, as Hagger and McIntyre (2006, p. 28) emphasise in their own research, such studies must not only examine what teachers do in their classrooms, but also the thinking which underlies it.…”