Title: Intelligence Tests

Source: Guttman (1965)

Description: Intercorrelations of eight intelligence tests. The intelligence tests
are coded on the facets ‘language’ = {N = numerical, G = geometrical} and ‘requirement’
= {A = application, I = inference} as follows.

Test	Language	Requirement
1	   N		     A
2	   N		     A
3	   N		     I
4	   G		     I
5	   G		     I
6	   G		     A
7	   G		     A
8	   G		     A