Personality Stability and Change in Early Adulthood : A Behavioral Genetic Analysis

  title={Personality Stability and Change in Early Adulthood : A Behavioral Genetic Analysis},
  author={Matt McGue and Steven James Bacon and David T. Lykken},
Seventy-nine monozygotic and 48 same-sex dizygotic twin pairs completed the Multidimensional Personality Questionnaire twice, averaging 20 years of age at first and 30 years at second testing. There were significant mean decreases in measures of Negative Emotionality (NE), increases in measures of Constraint (CO), but no significant mean changes for measures of Positive Emotionality (PE). Variance decreased for measures of NE but remained stable for measures of PE and CO. Biometrical analyses… CONTINUE READING


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