A factor-analysis was carried out of the 90 items of the Maitland Graves Design Judgment Test based on responses from 172 young males. Five factors were found, of which only four could be interpreted.
References
1.
EysenckH. J.EysenckS. B. G.The Eysenck Personality Inventory. San Diego: Educ. Indust. Testing Service, 1964.
2.
GravesM.Design Judgment Test. New York: Psychological Corp., 1946.
3.
HendricksonA.WhiteP. O.Promax: A quick method for rotation to oblique simple structure. Brit. J. stat. Psychol., 1964, 17, 65–70.