Related article: Spearman's hypothesis has been conducted comparing East Asians and whites. The better the measure of g, the greater the advantage of East Asians over whites. Atenolol 75 Mg See Nagoshi, Johnson, DeFries et al. (1984). 64 Jensen's evidence has been accompanied by a debate over his method of correlated vectors for testing Spearman's hypothesis. P.H. Sch?nemann has argued, most extensively in Sch?nemann (1997), that Jensen's evidence was no more than a statistical artifact, a claim refuted by Dolan and Lubke (2001). But other ways in which the method of correlated vectors might yield Atenolol 12.5 Mg spurious results are still being debated; e.g., Dolan (2000), Lubke, Dolan, and Kelderman (2001), Dolan, Roorda, and Wicherts (2004), Ashton and Lee (in press). These arguments are being carried on at an arcane methodological level. I am Atenolol Tablets 50mg making a limited claim about what Purchase Atenolol Jensen has Generic Atenolol established beyond dispute: when you take a battery of mental tests, subject them to a factor analysis, and correlate the loadings on the first factor with the size of the black-white difference, the correlation will average about .6. The actual method of correlated vectors is more complicated than this, and is described in Jensen (1998): 372-74. 65 Factor analysis can be conducted in many different ways, which has led to Atenolol 50 Mg Tablet widespread popular acceptance of one of Stephen Jay Gould's allegations in his best-selling book, The Mismeasure of Atenolol 5 Mg Man (1981), namely, that g is a statistical artifact that appears only when certain analytic choices are made. Atenolol 25 Mg Tablet Actually, the opposite is true. A single factor, typically explaining about three times as much variance as all the other factors combined, emerges under all of the normal Atenolol Buy methods of conducting a factor analysis. The only exception occurs if the factor-analysis program is explicitly instructed to apportion the variance in such a way that a single factor does not emerge. But Atenolol 40 Mg if you do that and then try to publish your results, the reviewers will point out Atenolol 50mg Tablets that if you hadn't issued that instruction, you would have gotten a dominant single Atenolol 25 Mg Tablets factor. As Richard Herrnstein liked to say, "You can make g hide, but you can't make it go away." For a review of this issue with sources, see the Afterword to the softcover edition of The Bell Curve (559-62). For a technical demonstration of the convergent results from alternative ways of conducting a factor analysis, see Ree and Earles (1991). Amlodipine And Atenolol Tablets For a wide-ranging set of articles about the current role of g in understanding intelligence, see the articles in the special section of the January 2004 issue of Journal of Personality & Social Psychology commemorating the Atenolol Chlorthalidone 50 25 100th anniversary Atenolol 100mg Tablets of Spearman's discovery of g. An overview is given in Lubinski (2004). 66 Gould (1981) still shapes the lay received wisdom about IQ tests, but his denunciation of g was already technically outdated when it was published. For an account of the differing ways in which The Mismeasure of Man was assessed by the media and by scholars, see Davis (1983). For a recent discussion of the nature of g and the issues that Gould was wrong about, see Bartholomew (2004). 67 Jensen (1998): 182-89. 68 Jensen (1998): 137-68. 69 Haier, Jung, Yeo et al. (2004); Thompson, Cannon, Narr et al. (2001). 70 Let it be clear: I am not asserting Atenolol 10 Mg that putting these two facts together proves that the black-white difference is genetic. The logic of the situation was memorably converted to an analogy Atenolol 25mg Tablets in Lewontin (1970) Purchase Atenolol Online and adapted in Herrnstein & Murray (1994): 298. If you take two handfuls of genetically identical seed corn and plant one in Iowa and the other in the Mohave Desert, you will get a large group difference in results despite the high heritability of the traits of corn. William Dickens and James Flynn have operationalized the analogy through a simulation model that produces a large black-white difference from environmental factors even given high heritability (Dickens and Flynn 2001). The validity Atenolol 15 Mg of that model was subsequently disputed by Loehlin (2002) and Rowe and Rodgers (2002), with a reply by Dickens and Flynn (2002). But that debate does not pertain here. The implications I describe follow simply from Atenolol 20 Mg knowing that g is highly heritable among blacks, as it is among all groups, and that the black-white difference is largely a difference in g. 71 See te Nijenhuis, Voskuijl, and Schijve (2001), who also found