trying value-added value-added “value-added value added “value-added trying Definition of 'VAM' on Wikipedia VAM English Value-added_modeling http://en.wikipedia.org/wiki/Value-added_modeling value-added modeling VAM Modeling value-added modeling value-added modeling Value added measures of teacher performance http://en.wikipedia.org/wiki/Value-added_modeling value-added modeling Value-added modeling Value-added model for teachers Value Added Modelling “value-added trying value-added modeling value-added http://en.wikipedia.org/wiki/Value-added_modeling value-added modeling Value-added model for teachers value-added value added modeling