''No Two Alike: Human Nature and Human Individuality'' is a book by psychology researcher

Judith Rich Harris Judith Rich Harris (February 10, 1938 – December 29, 2018) was an American psychology researcher and the author of ''The Nurture Assumption'', a book criticizing the belief that parents are the most important factor in child development, and pre ...

. It was published in February 2006. Harris attempts to explain why people are so different in personality, even identical twins who grow up in the same home. ''No Two Alike'' expands on some of the ideas from her previous book ''

The Nurture Assumption ''The Nurture Assumption: Why Children Turn Out the Way They Do'' is a 1998 book by the psychologist Judith Rich Harris. Originally published 1998 by the Free Press, which published a revised edition in 2009. The book was a 1999 Pulitzer Prize ...

'', especially the effect of

birth order Birth order refers to the order a child is born in their family; first-born and second-born are examples. Birth order is often believed to have a profound and lasting effect on psychological development. This assertion has been repeatedly challen ...

on personality and criticism of

developmental psychology Developmental psychology is the science, scientific study of how and why humans grow, change, and adapt across the course of their lives. Originally concerned with infants and children, the field has expanded to include adolescence, adult deve ...

. She also attempts to answer some of the criticisms leveled at ''The Nurture Assumption''. Harris proposes that three distinct mental systems shape personality: *A relationship system that allows us to distinguish family from strangers and tell individuals apart. *A socialization system that helps us to become members of a group and absorb the group's culture. *A status system that enables us to acquire self-knowledge by measuring ourselves against others. The book was translated into Hebrew in 2006.

Reviews

NY Times ''The New York Times'' (''the Times'', ''NYT'', or the Gray Lady) is a daily newspaper based in New York City with a worldwide readership reported in 2020 to comprise a declining 840,000 paid print subscribers, and a growing 6 million paid ...

Evolutionary Psychology (journal) ''Evolutionary Psychology'' is a peer-reviewed open access academic journal published since 2003. It covers empirical, philosophical, historical, and socio-political aspects of evolutionary psychology. Its editors-in-chief are Todd K. Shackelfo ...

*Additional reviews.

References

2006 non-fiction books American non-fiction books Books by Judith Rich Harris English-language books {{sociology-book-stub