By covering a period of 63 years, this in a sense is the longest ever personality study. But contrary to what we might expect based on previous findings, Matthew Harris and his colleagues at the University of Edinburgh failed to find any correlation between their participants’ personality scores at age 14 and their scores on the same items at the age of 77. “Personality in older age may be quite different from personality in childhood,” they said.
Longest ever personality study finds no correlation between measures taken at age 14 and age 77
Comparing the personality test scores of the same participants taken twice, 63 years apart, the researchers found no correlations at all. By Christian Jarrett