title: The Hanfmann-Kasanin concept formation test as a measure of rigidity in relation to college aptitude and achievement.
authors.forename: R D
authors.initials: RD
authors.lastname: NORMAN
authors.forename: C A
authors.initials: CA
authors.lastname: BAKER
authors.forename: D G
authors.initials: DG
authors.lastname: DOEHRING
mesh_terms: D000124:Achievement; D001076:Aptitude; D001077:Aptitude Tests; D003210:Concept Formation; D006801:Humans; D014495:Universities