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Savanna Principle is a term coined by evolutionary psychologist Satoshi Kanazawa in 2004 for the principle that human behavior remaining to some extent adapted to the ancestral environment of early ''Homo'' in the savanna may lead to problems in a modern (Industrial or post-Industrial) environment. Kanazawa uses this disparity to explain "a host of societal difficulties". For example, ancestors who craved sugary and fatty foods lived longer and were healthier than those who didn't, in a time that such things were relatively scarce. Today, the abundance of such temptations leads to obesity and heart disease. Similar scenarios are illustrated with television,〔(【引用サイトリンク】title = WHY THE LESS INTELLIGENT MAY ENJOY TELEVISION MORE THAN THE MORE ... )〕 sex, and jealousy. Kanazawa presented this argument in 2004 in the form of a short journal article called "The Savanna principle"〔''Managerial and decision economics'' 25 (1), 2004, pp. 41–54〕 and expounded upon it in a 2007 book aimed at a general audience, ''Why Beautiful People Have More Daughters''.〔Kanazawa, Satoshi ''Why Beautiful People Have More Daughters'' (2007) All, ISBN 978-0-399-53365-5.〕 In 2006, Kanazawa used the "Savanna principle" to explain the correlation of health and IQ vs. health and wealth. He argued that IQ is a better predictor for health than wealth or inequality in most regions of the world, except in Sub-Saharan Africa, where health is more strongly correlated to wealth than to IQ, because Sub-Saharan Africa represents an "evolutionary familiar" environment with lesser selection pressure on IQ than elsewhere.〔 〕 ==See also== * Evolutionary Psychology * Tit for tat * Gene-centered view of evolution 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Savanna principle」の詳細全文を読む スポンサード リンク
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