Knowledge structures( Bernstein 1996, 1999, 2000) Accumulating knowledge through integration Hierarchical knowledge structure th e sciences Accumulating knowledge segmentally Horizontal knowledge structure the humanities Segmented languages some with with stronger verticality the e social sciencesAccumulating knowledge through integration Hierarchical knowledge structure the sciences Accumulating knowledge segmentally Horizontal knowledge structure the humanities Segmented languages some with with stronger verticality the social sciences Knowledge structures (Bernstein 1996,1999, 2000) L 1 L 2 L 3 L n