1. An investigation of the correlates of variables involved when subject options are exercised at 14+ with special reference to personality and science subjects;Billing,1984
2. Personality dimensions: an overview of modern trait psychology;Brand,1984
3. An investigation of the personality correlates of attitudes towards mathematics;Carroll,1982
4. Handbook for the junior-senior high school personality questionnaire;Cattell,1969
5. Some cognitive and affective factors in subject choice;Child;Research in Education,1971