(Although she was unable to obtain a fully randomised sample of pupils, she tried to make sure that she was comparing children of similar intelligence and socioeconomic backgrounds in an attempt to eliminate some of the confounding factors.)
Solange Denervaud, a neuroscientist at the Centre Hospitalier Universitaire Vaudois in Switzerland and a former Montessori teacher herself, is similarly positive. In a recent study she found that children who attend Montessori schools tend to have greater creativity, which, in turn, seemed to be linked to better academic outcomes. (Although she was unable to obtain a fully randomised sample of pupils, she tried to make sure that she was comparing children of similar intelligence and socioeconomic backgrounds in an attempt to eliminate some of the confounding factors.)