1. 1991
2. Transfer of self-instructional & metacognitive training of communication skills for people who have learning difficulties

   Williams, W. H. (Awdur), 1991

   Traethawd ymchwil myfyriwr: Doethuriaethau Proffesiynol

3. 1989
4. Flow : the concept and implication for mental well-being and health.

   Ainscoe, M. W. (Awdur), Ion 1989

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

5. The measurement and modification of delusional behaviour.

   Chadwick, P. D. J. (Awdur), Ion 1989

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

6. 1988
7. The role of naming in stimulus equivalence : differences between humans and animals.

   Dugdale, N. A. (Awdur), Ion 1988

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

8. Discrimination without awareness

   Devalle, D. A. (Awdur), 1988

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

9. 1987
10. The role of language in the emergence of equivalence relations: a developmental study

    Beasty, A. (Awdur), Lowe, F. (Goruchwylydd), 1987

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

11. 1985
12. Dimension and hierarchy in the description of psychological disorder

    Hargreaves, I. R. (Awdur), 1985

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

13. 1984
14. A study of the behavioural profiles of elite slalom canoeists

    Baker, S. J. (Awdur), Hardy, L. (Goruchwylydd), 1984

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

15. Determinants of operant behaviour in the mentally retarded

    Smith, P. S. (Awdur), Lowe, F. (Goruchwylydd), 1984

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

16. Determinants of temporal control in operant performance

    Blomeley, F. J. (Awdur), Lowe, F. (Goruchwylydd), 1984

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth