Schumann, Lyndall Boivin, Michel Paquin, Stéphane Lacourse, Eric Brendgen, Mara Vitaro, Frank Dionne, Ginette E. Tremblay, Richard Booij, Linda Sample size, means and intraclass correlations of twins at 5 and 18 months separated by sex and zygosity. <p>Sample size, means and intraclass correlations of twins at 5 and 18 months separated by sex and zygosity.</p> stability;factor;18 months;temperament;emotionality 2017-04-27
    https://plos.figshare.com/articles/dataset/Sample_size_means_and_intraclass_correlations_of_twins_at_5_and_18_months_separated_by_sex_and_zygosity_/4927463
10.1371/journal.pone.0176601.t002