TEDS-M and other large scale studies on mathematics teacher education

 I've summarised the results from MT21, TEDS-M, TEDS-FU and to some extnet TEDS-V-T in four little videos:

https://prezi.com/v/-0fc9br4ng5k/

https://prezi.com/v/yyql8ph1a-6-/

https://prezi.com/v/gmhi2uiwp7tg/

https://prezi.com/v/2sy5fn3tr0qf/