 measur reliabl subject classif men machin procedur measur consist document classif describ three subject specialist classifi 997 abstract psycholog report eleven categori these abstract mechan classifi comput program factor score comput procedur each abstract score categori assign highest score the three manual classif compar mechan classif seri conting coeffici comput the averag reliabl manual classif procedur equal 870 the correl automat manual classif 766 