 በወቅቱ የዘርፉ ምሁራን በየዩኒቨርስቲው እየሄዱ በሳይንስ እና ሂሳብ የላቀ ውጤት ያመጡ የማዕረግ ተማሪዎችን ይመለምሉ ነበር።
Somewhat contradictory results were found in studies of college students who had already chosen majors in science or engineering.