“…At the same time, professional skills of teachers in vocational education and training have not, until very recently, received much attention. Financial support by the Federal Ministry of Education and Research for such proposals was not available until 2012 (see Blömeke et al, 2013), so it is too soon to expect to see practical effects. The close relationship to international large-scale assessments is quite obvious here too, however: the designs developed in this line of research are methodologically much indebted to the IEA 'Teacher Education and Development Study' (TEDS-M) (Blömeke, 2012;Tatto et al, 2012).…”