Just a minute ago I shared my views on formative assessment with the Paducation-group. It was a bit scary performing a speech in a forreign laguage but i think the understod what I meant.
It’s all about continous feedback, and to manage that as a teacher you need iPadded students 
/Anna Oldner
Unable to display PDF
Click here to download
Click here to download
Group size definitely has an impact as it affects the ability of the teacher to manage the group. Not sure what you mean by teacher quality but I know that the level of knowledge in the use of ICTs has an impact on delivery