We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleAn attempt to study intellectual deterioration by premorbid and psychotic testing.AuthorsWEBB, W BPublicationJournal of consulting psychology, 1950, Vol 14, Issue 2, p95ISSN0095-8891Publication typeJournal ArticleDOI10.1037/h0059616