http://almhvxlkr4wwj7ah564vd4rwqk7bfcjiupyf7rs6ppcg5d7bgavbscad.onion/archive/etext/mt/mt9bell.html
For example, correlating hits, runs, and runs batted in for baseball players, you could produce one number and say it represents general excellence in batting (call it b ). But, as Gould points out, the same intelligence data, using factor analysis intended to find different strands can just as adequately prove multiple types of intelligence with no g . That is, if you are looking for two dimensions -- say, hitting power and hitting consistency -- you could use the same...