Wendy Johnson (born October 2, 1955) is an American differential psychologist and professor of psychology at the University of Edinburgh.
[4] After completing a post-doctoral fellowship at the Minnesota Center for Twin and Family Research, Johnson moved to the University of Edinburgh in 2007.
[6] Their research program originated in the Scottish Mental Surveys that tested the intelligence of almost every child born in Scotland in 1921 or 1936, with follow-up studies conducted to the present day.
[7] Johnson received the American Psychological Foundation Robert L. Fantz Memorial Award for Young Psychologists in 2010.
This twin study aimed to specify genetic and environmental influences on Big Five personality traits (Openness, Conscientiousness, Extraversion, Agreeableness, Neuroticism).