Word: perring
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Dates: during 1960-1969
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...statistical measure for "heretability"--a term which refers to the proportion of individual differences which are attributable to genetic influences. As Jensen takes pains to make clear, the concept of heretability has no meaning when applied to an individual. One can state that gene structure accounts for 80 per cent of the difference in observed heights of all white males in the U.S. But one cannot say that gene structure accounts for eight of the ten inches of different in height between Jim and Ben. Like most statistical measures, heretability states a probability, not a certainty...
Jensen goes on to review many studies on the IQ's of different members of the same families and conclude that heretability explains 75 per cent of the observed differences in all human intelligence (as measured by traditional tests). The other 25 per cent is determined by environmental factors...
...Health care has become a major national economic problem, with the public sector picking up an ever larger slice of the cost," Martin S. Feldstein, associate professor of Economics and administrator of the grant, said yesterday. "Twentyfive per cent of the American people get inadequate health care despite the seven per cent of total income that goes for medical services," Feldstein said...
Hospital costs are rising at a rate of 15 per cent a year, Feldstein said, and "Where the money is going is not at all clear...
...mental effects of marijuana, Dr. Weil said he was doing further experiments but that his first experiments showed the frequent user had '100 per cent compensation" in standard, reflex, and coordination tests...