LITTERATUR
- Guilford, J. P.: A revised structure of intellect. Report Psychol. Lab., Univ. Southern California, 1957, No. 19.
- Raaheim, K.: The ability to name functions for common objects. Nord. Psykol., 1959, 11, 215–224 (& Acta Psychol., 1959, 14, 267–276).
- Raaheim, K. Problem solving and the ability to find replacements. Scand. J. Psychol., 1960, 1, 14–18.
- Saugstad, P.: Problem-solving as dependent on availability of functions. Brit. J. Psychol., 1955, 46, 191–198.
- Saugstad, P. Availability of functions. A discussion of some theoretical aspects. Nord. Psykol., 1958, 10, 216–232 (& Acta Psychol., 1958, 14, 384–400).
- Saugstad, P., & Raaheim, K.: Problem-solving and availability of functions. Nord. Psykoi., 1957, 9, 205–220 (& Acta Psychol., 1957, 13, 263–278).
- Saugstad, P., & Raaheim, K. Problem-solving and availability of functions in children. Nord. Psykoi., 1959, 11, 45–58 & Acta Psychol., 1959, 15, 45–58).