Family law - Kakeiho

Japanese: 家系法 - かけいほう
Family law - Kakeiho


[Determinants of mental development]
Since ancient times, various studies and debates have been carried out on the question of whether mental development is primarily determined by heredity or environment (or maturation or learning). The main research methods used include the study of wild children who are thought to have grown up isolated from human and cultural environments, the pedigree method, which investigates families that have produced many children with superior or inferior intelligence, the twin method, which compares identical twins with fraternal twins or siblings, and the method of comparing the similarities in intelligence and personality between parents and children. However, the results of studies using these methods were not always consistent.

*Some of the terminology that refers to "descent law" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:


[精神発達の規定要因]
 精神発達を主に規定するのは遺伝か環境か(あるいは成熟か学習か)という問題をめぐって,古来さまざまな研究と議論が行われてきた。研究のおもな方法としては,人間的・文化的環境から隔離されて育ったとみられる野生児の研究,知能などの優秀者または劣等者を多数うみだした家系を調査する家系法,一卵性双生児を二卵性双生児や兄弟と比較する双生児法,親子間の知能やパーソナリティの類似度を比較する方法などが用いられた。しかし,これらの方法による研究の結果は必ずしも一致しなかった。…

※「家系法」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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