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HomeMy WebLinkAboutThe Goderich Signal-Star, 1970-11-26, Page 23The Blue, Thumb OODEIMal SICHMSV. ThVR D4V, NO "0010,0 MIOSIIIIWAVONOWS *WOW AOSIVION004001001101$4114$1100 �► . • " BY G. MacLEOD ROSS Recent findings by. the `Sunday Times' Science correspondent, *supported, the belief that physical inheritance might be the crucial influence on human intelligence, a rather than environment. This- week we • concern ourselves with an explosive issue: An analysis of racial differences in intelligence, and seek to expose reasons why some races perform better than others in intelligence tests; a fact which is not in serious dispute. • • .In America for' example, the average I.Q. of the Black population is 15 points below that of the White average. At least in theory, there is no reason why this gap should not be as much the product of differences in environment, as differences in their inheritance. A correspondent has suggested that the American Negro is not representative of the Negro race as a whole, since the former are the descendants of the people caught and sold by coloured slave - traders to White - -slave dealers and, as in the arg finent regarding Jews, it was the smart ones which escaped the n t. w,r JENSEN ON INHERITED INTELLIGENCE Plrofessor Jensen of the University of California, is at pains to point out that the full range of human ability is present in all races. He also contends the I.Q._ of a race is no guide to the of .any particular individual in that race. While he admits his evidence is not strong, . the possibility of the gap being due to inheritance , is worth pursuing. If there is some hereditary difference between the American Black and the American White, then it should be taken into account when social policy is formulated. For example, the ratio, birthrate to I.Q. among Negroes is different from the ratio for the White population. At the lower end of the I.Q. scale, the Negro birth rate is particularly high. At the upper end it is low. So, he asks: Is there the possibility . that Current welfare -policies; unaii ect by eugenic foresight, may lead to genetic enslavement?" Jensen continues that the • poverty ,of the Negro environment is not a sufficient 'explanation for the I.Q. gap. When Whites and Blacks from very similar social and.economic backgrounds are compared, .the difference of the . Average intelligence is reduced, -but only by four out of 15 points. American Indians, whose social and educational environment is even worse tlfan that of the Negroes, score higher in I.Q. tests than do Negroes. In 1967, in ai Californian * school, children *ere divided into four groups based ori their parents socio-economic class. The I.Q. of the average Negro from the top S/E group was lower than that of average White children from the *lowest S/F group. Although economic circurristances • affect performance in I.Q. tests, something else must be at work. In Ne4v ,York different groups of Jewish, Negro, Chinese and Puerto o Rican children were tested. Results showed that children of middle class parents put - up a better performance than those of poor parents. Furthermore their skills varied. Jewish children were high on verbal tests, but less able in spatial and visual ones. Chinese and Puerto Ricans did well on visual tests but low on verbal, probably because they had to be bilingual. [Will the drive to make Canadians bi-langue lower the '4, :t4 1 in intelligence national I.Q.?] Negro children do well in verbal tests but poorly' in . those involving numbers. [Another surprise since the `Numbers Game' is so popular with the Negroes.] All these results COULD be the difference in physical inheritance, an environmental factor which is hard to measure. The intricacy of the problem which Jensen set himself appears as - the Matter is further considered. Two American statisticians have argued that Jensen's gap could ' be just as easily the result of environmental factors. They do not think the evidence adds up to anything. But they do point out a factor which is often forgotten: That Blacks are constantly discriminated against; something which could make their I.Q. scores lower --without. any inherited racial difference in. intelligence. Possibly too, Blacks as a whole resent having to take "White tests", which are part of the Whiteman's social system, more especially as six per cent of Black Americans want to set up a separate State. This could well depress the average scores. Something similar could account for the disparity between American Indians and American Blacks. The . former being in a minority, may have abandoned hope of ever achieving independence from White domination. In consequence they.. are more_,ready to accept the tests. Because there are factors involved, which- cannot be separated.out, Professor Thotay, of Cambridge University, beliedes it logically impossible to prove whether .genetic factors are involved with racial differences in I.Q.'s. The problem could only be solved in an ideal society, where - everybody was treated as an individual, regardless of race. ENVIRONMENTAL FACTORS That the contribution which environment makes is considerable, is,suppbrted b_ythe case of identical twins. separated early in life and reared apart. One twin had only three years of elementary schooling, -while the other took a university degree. Their I.Q. difference was 24 points, . which must have been due solely to environment. Clearly much can be done by manipulating environment. What are the environmental factors which influence intelligence? Apart from serious neglect and ill treatment, there is that vague term: "Social Deprivation," so dear to the hearts of the psychologists, which is regarded as a great intelligence .depressant. Its manifestations are lack of attention and intellectual stimulation of children by their parents. Working mothers do not smile, or play with their infants as much as middle class mothers. They do not reward each step toward maturity as much. They do not talk to their children as much, hence the development of a vocabulary is neglected; a most important attribute for making progress in school. It is carried over into the interest shown in the child's progress which is much more by the middle class than by a working parent. Attempts in the U.S.A. to improve . the intellectual environment shows that in 29 programmes, the average gain was five to 10 points, which is better than nothing, but it still leaves a typical. I.Q. range of 50-85; far below the average. These programmes only last for perhaps a single year for each individual child and it is not hard to - see that such a short exposure cannot counteract factors which . have been at work environmentally , during the whole of the child's life. EDUCATIONAL SYSTEMS What about comprehensive versus selective education in Britain? Very often belief in the hereditary factor is taken as the automatic reason for selective - treatment, but it embraces other assumptions ,as well. For example, to screw the best possible academic achievement out of the very bright, must be the , prime educational aim, for here is the ' material for tomorrows managers of the nation's prosperity. But the • efficient functioning of any organisation depends on the right balance between education and training at all levels. What is the value of a super -efficient staff if the salesman at the counter level does not try to sell? What is the value of our Canadian integrated defense force if, inspite of ori inspired staff, it is found that the mixture . is wrong. That we have too many intrepid airmen and not enough wielders (If the bundook? Perhaps an increased educational investment in the less bright would be more productive? This was the .belief in - 1870 when elementary schooling became compulsory. Later- - it was- the reason for Comprehensives, where the less bright are held to benefit most. Comprehensives favour - the promotion of social cohesion which may well determine economic efficiency or, the overriding consideration might be equality for its own sake. 'i•i.°re is after all, no test for political wisdom as a qualification either for the vote or for cabinet office, as is demonstrated day after day at both Federal and Provincial levels herabouts. Whilst a large hereditary component of intelligence may . not justify selective education, equality of education is not going to eliminate genetic differences. It only makes them more important than ever. But equality of educational opportunity makes for social - mobility between the classes and increases the tendency for classes to be based on inherited intelligence differences. This is the thing, above all others, which makes the hereditability of intelligence an issue of real social importance and not a sterile academic wrangle. When Michael Young wrote "The Rise of Meritocracy," ten years ago, his meritocratic society was overthrown by revolution. But would the necessary tensions develop, for a revolution if everyone gravitated . naturally to his or her place in .the meritocracy, without being Releo Sewing Centre OPENING * TUNE-UP * RENTAL -* SERVICE TUNE-UP SPECIAL Any make sewing machine •- A SINGER expert will come H to your home and: Adjust - and balance tensions; check fabric -handling mechanism; de -lint thread -handling assembly; oil entire machine; inspect tor; lubricate motor, if needed; check wiring for safety! ONLY 4.75 * NOTE: 05 RELCO (FORMERLY SINGER), Approired Sinter Sales ire Service '''40 WEST ST., GODERICH .75 In Alaska or Hawaii) SEWING CENTRE 524.8431 pushed? Bereiter points out that a technological society emphasises the importance of differences in- intelligence, because ° intellectual accomplishment serves to drive wedges between those who possess it and those who do not. Reading should be taught' to all, but what about computer • programming? What happens when we have a domestic computer? Will this produce a meritocratic caste system, asks Bryan Silcock? Speaking as a lone voice in the wilderness, it would be very surprising if it did. Presumably the average household will give. their computer much more usage than they give their plumber today. Therefore anyone investing in a domestic computer - will require itsoperation to be simplified ' to suit their non-s-pe-cialised intelligence. Surely there will be something like a cassette, or a• record, which will take all the mathematical ability out . of 'programmingr the computer. There will be one cassette for Income ._tag calculations and another when you wish to compare the price of beef, butter or eggs over that demanded by five grocers in your' locality: You do not have to understand the working of the telephone, or the TV set, in order to get their.to function for you, and you are still not an, expert in either. - Perhaps Dr. Silcock wished to make our flesh creep. He goes on to suggest "Assortative Mating" as another result of the technological society, in which partners will decide to marry those with the same I.Q., thus further augmenting ' the rigidification of the caste system, a system which will tend' to persist even though everyone, at all levels, in the hierarchy, considers it a bad thing. And.the fact that assortative mating for intelligence is higher than for any other trait so far investigated, is perhaps the strongest piece of evidence that progress towards this caste system is already well advanced' * Dr. Bryan Silcock. W. J. Denomme FLOWER SHOP Phone 524 1132 DAY OR ' NIGHT Agent for 24.hr. FILM DEVELOPING • Business Directory a Ronald L. McDonald CHARTERED ACCOUNTANT 39 St. David SI., 5244253 Goderich, Ontario A__ sj 141 ESSEX ST.. CODEIltCH. ONTARIO Available For .PUBLIC OR PRIVATE PARTIES BINGOS CONCERTS DANCES * CONVENTIONS * Caterer g to Luncheons * COCKTAIL PARTIES * BANQUETS, ETC. 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