1. Functional fixedness as related to problem solving; a repetition of three experiments;Adamson;J. exp. Psychol.,1952
2. The measurement of psychological androgyny;Bem;J. consul. Clin. Psychol.,1974
3. Performance Test of Intelligence;Bhatia,1955
4. Problem solving set as a function of rigidity and personality;Chaudhry,1985
5. Personality and problem solving;Eysenck;Psychol. Rep.,1959