-
Holzinger, K. J.
Study on twins both identical and fraternal -
Newell, H. W.
Twins from triplets -
Freeman, G.L.
genes are the key! -
Franks, Violet
Psychologist -
Ge, Xiaojia
study on the personality relationship between an adoptee, the adopter, and the biological parents -
Neiderhiser, J. M.
Attitue -
Jayarratne, Toby Epstein
it dont matter if youre black or white! -MJ -
Bleidorn, Wiebke
neither side wins -
Knafo, Ariel, and Frank M. Spinath
boys vs girls -
Briley, Danilel A, and Elliot M, Tucker-Drob
Environmental aspecs
