The complexity continuum in the radex and hierarchical models of intelligence☆
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This article is based on a paper presented by the first author in the symposium, “Research on Aptitude Process,” at the meeting of the American Psychological Association, San Francisco, August 1977. The work reported herein was sponsored by the Personnel and Training Programs, Office of Naval Research and the Advanced Research Projects Agency under Contract Nos. N00014-75-C-0882 and N00014-79-C-0171. The views and conclusions contained in this document are those of the authors and should not be interpreted as necessarily representing the official policies, either expressed or implied, of the Office of Naval Research, the Advanced Research Projects Agency, or the U.S. Government.
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We gratefully acknowledge the contribution of Patrick Kyllonen who commented on an earlier version of this paper. David F. Lohman is now at the University of Iowa.