As early as 1980, Casbi Professor of King\'s College London psychiatrist on a 1000 year old children has been tested. Asked 22 under test a behavior problem. According to the interview results, these children have been divided into a confident, good adaptation, quiet, self-constraint and pants 5 types. Confident child care 28%, good Adaptive child care 40%, quiet child care 8%, restless child care 10%, self-constraint child care 14%.
After 23 years, cassby, psychiatrists interviewed with them again, and conducted a survey on their friends and relatives, they surprise discovery of the children\'s character basically did not change.
Professor cassby to this as it was felt that, before the character at the age of 3 children had basic training, although growing up a certain change in the future, this change seems to be less obvious. Therefore, Professor Casbi foster parents and kindergarten teacher always 3 years infants in various acts seriously.
