Greene, E. B. (1952). Factorial analyses. In E. B. Greene, Measurements of human behavior (pp. 401-422). New York, NY, US: Odyssey Press.
http://dx.doi.org/10.1037/13220-014
The previous chapters have described the main categories of behavior and how particular samples of skills and information can be given numerical representation. Another persistent problem in the study of behavior is approached in this chapter, namely, how are abilities of persons related? Answers to this question are fairly numerous and usually hypothetical. Persons are so complex that patterns of personality have not as yet been well established. (PsycINFO Database Record (c) 2016 APA, all rights reserved)