Media type: E-Article Title: Birth cohort changes in extraversion: a cross-temporal meta-analysis, 1966–1993 Contributor: Twenge, Jean M. imprint: Elsevier BV, 2001 Published in: Personality and Individual Differences Language: English DOI: 10.1016/s0191-8869(00)00066-0 ISSN: 0191-8869 Origination: Footnote: