Ph. D. Chapter 30. One naturally wonders if there are more basic dimensions of the intoxication experience that could account for the many different specific effects, that would reduce many effects to a smaller, more basic number.
Factor analysis is a statistical technique that begins to answer such questions.
Thus the data given below are the weakest of the present study and are presented only for the sake of completeness and the guidance of other investigators. In order to reduce the number of items to a level the computerized factor analysis program of the University of California at Berkeley's Computer Center could handle, every other item, starting with Q1, was selected. Thus the analysis is based on 104 frequency of occurrence items. Items loading .400 or greater on this first factor are presented in Table 30-1. The usual type-style code for overall frequency of occurrence is used.