Show ENVIRONMENT AFFECTS TWINS TWINS' PERSONALITIES PERSONALITIES' Case Records of Identical Pairs' Pairs Give New Slant on Long-Debated Long Heredity Issue CHICAGO Dec 26 UP UP Environment can split the personalities of identical twins Professor ProCessor Frank N. N Freeman of or the University of ot Chicago Chiago told a joint conference of or 12 social and economic societies Professor Freeman a leader in educational psychology presented case records on experiments with wih 19 cas cases s of or identical twins to provide a new slant on the long debated Issue Issue- ue of ol heredity versus environment The twins were r reared apart and subjected to minute physical and mental tests Prominent Speakers Speaker A score core or more speakers eminent In n economic and arid social science gathered gath gath- erect ered ere for tor the conference of the 12 so so- O David E. E Lilienthal Tennessee Tennessee Ten Ten- valley valey authority commissioner commis I Henry fenry A. A Wallace Walace secretary of or agriculture Mordecal Mordecai Ezekiel of oC the te i agricultural adjustment lion ion ton and Smith general counsel of the N R A A. A were among the most prom prominent Professor Freeman who spoke before be- be be fore ore the American Statistical associations association's tons ton's ions ion's section of oC the conference avoided the thc question as S to whether heredity or environment is i th the essential essential essen essen- en tal factor in individual variations All Al competent students now recognize recognize recognize nize that both heredity and environment environment environ environ- ment merit have an arc influence and are essential in in order that any develop develop- develop ment merit ment can take place he said The question queston then becomes one of oC de degree ree He described a case of or twin win boys brou brought h. h up separately but In similar environments en One lived in itt a small mal village viage the other on a farm They received receive similar schooling and similar cultural background Slight SIh Advantage The Te twin reared In the vla village e had hada a slight advantage e in the intelligence and educational tests test and was somewhat somewhat some some- what less le stables nervously but the personality tests showed remarkable similarity Professor Profesor Freeman said aid Their handwriting was wa so similar that it il was difficult to tell tel th the sped spec mens apart The Te psychologist tod told of oC twin skiers sk ter 10 years rear old with wih similar schooling schooling school school- ing but different home environments environment One reared in a home of means mean in a city vas was given wide access to social cocal life le Th The other brought up in a home offering meager advantages advantage was jealously shielded from social life |