Gender differences in temperament: a meta-analysis
Psychological Bulletin (2006) - Comment
pubmed: 16435957  doi: 10.1037/0033-2909.132.1.33  issn: 0033-2909  issn: 1939-1455 

Nicole M. Else-Quest, Janet Shibley Hyde, H. Hill Goldsmith, Carol A. Van Hulle