View Full Version : A Discussion On The Differences Between Races In The Aspect Of Intelligence

09-03-2009, 17:49
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In the course of human history, we have remarkably changed from the original stock of humans. Some groups were forced into conditions that were not at all favorable, while others lived in areas that were relatively beneficial to survival. Assuming we are all evolutionists, we would assume that humans have for the most part adapted to these conditions and environments.

With these adaptions comes differences, with appearances being most notable. However, a century long study into the differences between human intelligences of the various races has been occurring. Originally they had been made by quite a few racists and other people who delved into what can now be labeled as "gutter science". However, many of these psychometricians have a few points that stick today and being continually researched upon, despite derision from both the left and the right, and from many politically-correct scientists.

This will most likely strike as something new to you but, according to all measurements of intelligences discriminating for races, the African-American population in the United States has consistently scored lower then the whites. The gap has been put at about fifteen points, or one standard deviation of the white population. Here is a graph (http://upload.wikimedia.org/wikipedia/en/a/a6/TBC-BW-IQ-SES-withDiff.png) showing the gap, despite rearing differences. A similar gap showing parental education differences for SAT scores is here. (http://upload.wikimedia.org/wikipedia/commons/2/27/1995-SAT-Education2.png)

There is a prominent argument that IQ is not the best indication of intelligences. An example, according to all contemporary measurements, Africa has a mean IQ between 65-75 depending on the country(It is the most genetically diverse continent in the world). However, IQ is highly correlated with income and educational attainment differences. There is a study with a readable abstract here. (http://www.eric.ed.gov/ERICWebPortal/custom/portlets/recordDetails/detailmini.jsp?_nfpb=true&_&ERICExtSearch_SearchValue_0=ED429148&ERICExtSearch_SearchType_0=no&accno=ED429148)

Another argument is that IQ tests are culturally-biased. This cannot hold since many of the different tests used have shown that the questions most likely to be correct by white students, is likewise similar with black students.

The IQ of black Americans is much higher then that of Africans. This can be somewhat attributed to the improvements in standard of living, and alongside white admixture(16-25%). The admixture doesn't account for the entire, or even the majority of IQ differences. Here is a blog (http://www.gnxp.com/MT2/archives/000335.html) that has authors more then knowledged about this, and still confirms this point made.

These differences are not strictly beneficial to only scientific understandings of human differences. It can also deal with social-sciences in regards of racism, classism, the prominence of hatred due to racial jealousy between various groups(IE black antisemitism, Ashkenazim Jews score highest in America, blacks score lowest) and other aspects of racial stratification.

Now my focus on this post has primarily been on the differences of black/white differences in IQ within the United States. There is a going notion that IQ can and would indicate a nation's economic development as shown in this controversial book here. (http://en.wikipedia.org/wiki/IQ_and_the_Wealth_of_Nations)

Be wary however, this book is plagued with inaccuracies, weak-to-little correlations and general spikes. Examples of this is Richard Lynn's inaccurate measurements of Ashkenazim IQ(too low, at 107, according to most tests), national estimates(data he could not find, were rounded from bordering nations such as that of various nations such as El Salvador, Kyrgyzstan, North Korea, Vietnam, and various African nations) and the fact that some nations have remarkably higher GDP per capita, yet shows low IQ such as Ireland.

The Flynn Effect has been prominent, raising the national IQ of a nation three points per decade. This has been occurring in developed nations for some time, but for the most part has now stagnated. This effect would more likely then not occur within developing nations such as that of India, and Africa.

So what is your opinion, and your regards on this subject. Please refrain from any posts deemed non-objective and offensive to anything besides feelings.

09-03-2009, 18:00
Please refrain from any posts deemed non-objective and offensive to anything besides feelings.
ohh.. but, ok i'm leaving :(

09-03-2009, 18:08
Right, I'll just stop this right here.