http://www.doingmathematics.com/2/post/2012/09/hidden-curriculum.html
Unfortunately, Bryan Meyer's action research shows that his students have developed beliefs that aren't uncommon in school mathematics: that mathematics is something that comes from their text or teacher and it's their job to "absorb" it. As these feelings are closer to beliefs than knowledge, they can be more resistant to change, even when they seem to conflict with other beliefs.
Unfortunately, Bryan Meyer's action research shows that his students have developed beliefs that aren't uncommon in school mathematics: that mathematics is something that comes from their text or teacher and it's their job to "absorb" it. As these feelings are closer to beliefs than knowledge, they can be more resistant to change, even when they seem to conflict with other beliefs.