Top critical review
JENSEN'S NEXT-TO-LAST BOOK DEFENDING HIS VIEWS ON IQ, ETC.
on March 25, 2013
Jensen says in the "Acknowledgements" section, "Especially deserving of credit for supporting much of the empirical research I have done on the g factor ... at a time when few foundations or granting agencies would consider supporting research aimed at exploring the nature and implications of g in areas considered politically sensitive, are the Pioneer Fund and its admirably intrepid president, Harry F. Weyher, whose mission has been to lend support to pioneering efforts in scientific research areas that in academe are often considered unpopular or even taboo..." (Pg. xiii)
He admits, "No other term in psychology has proved harder to define than `intelligence.' Not that psychologists haven't tried... even the experts in this field still cannot agree on a definition. In fact, there are nearly as many different definitions of `intelligence' as there are experts." (Pg. 46)
He acknowledges that "there is almost no limit to the possible idiosyncratic reasons for failing a given item [on a test]. It is probable, however, that some part of the reason for failing a particular item is the person's standing on the general ability measured by the test as a whole..." (Pg. 313)
He addresses the counter-argument of Thomas Sowell (reprinted in Race and Culture), saying, "[Sowell] does not offer a formal or explanatory theory, but rather a broad analogy between American blacks and other ethnic and national groups that have settled in the United States at different times in the past. Sowell points out that many immigrant groups performed poorly on tests at one time (usually soon after their arrival in America) and had relatively low educational standing, which limited their employment to low-paying jobs. The somewhat lower test scores of recent immigrants are usually attributable to unfamiliarity with the English language, as evidenced by their relatively superior performance on nonverbal tests... Sowell views the American black population as a p[art of this same general phenomenon and expects that in due course it, too, will rise to the overall national level... But Sowell's analogy between blacks and other immigrant groups seems strained when one examines the performance of comparatively recent arrivals from Asia.... despite their different language and culture, they have scored as high as the native white population on nonverbal IQ tests and they often exceed the white average in scholastic performance." (Pg. 512)
While most of us do not find Jensen's work persuasive, one should read his arguments and decide for oneself.