By James R. Flynn
This e-book is the simplest vacation reward designed to meet your IQ interest and making you much more smarter this day than the day past. Are We Getting Smarter? positive aspects interesting new fabric on numerous subject matters together with the consequences of intelligence within the constructing global; the influence of emerging IQ rankings at the demise penalty, cognitive skill in previous age and the language skills of teenage tradition; in addition to arguable issues of race and gender.
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Additional info for Are We Getting Smarter?: Rising IQ in the Twenty-First Century
If people switch from swimming to weight lifting, the new exercise develops different muscles and the enhanced muscles make them better at the new activity. Everything we know about the brain suggests that it is similar to our muscles. Maguire et al. (2000) found that the brains of the best and most experienced London taxi drivers had enlarged hippocampi, which is the brain area used for navigating three-dimensional space. Here we see one area of the brain being developed without comparable development of other areas in response to a specialized cognitive activity.
Kolmos and Breitfelder (2008) trace US height trends for those born after 1942 and find gains from 1970 to 2002 that dwarf the up and down fluctuations of earlier years. The oldest member of the WISC-III (Wechsler Intelligence Scale for Children – third edition) sample had a birth date of 1973 and the youngest member of the WISC-IV sample, one of 1996. The height pattern predicts that IQ gains in the US should escalate during the period after the WISC-III. They do not. The gains are constant from the original WISC all the way to the WISC-IV.
The recent gains of South Korean children on the WISC are based on only 89 subjects but other data sets of reasonable quality confirm at least the Full Scale IQ gain. The WISC rates from 1986 to 1999 are almost exactly double those of US children. 046 points per year. 572. , 2008). 350 points per year between 1997 and 2007. The gains were uniform over the whole IQ curve, and were as robust in recent years as in earlier years. They were only slightly lower 37 Are We Getting Smarter? 455 points per year).