. . "højt begavet" . . "Begabtenförderung." . . "Enfants Psychologie." . . "Psychologie." . . "Psychology, Child." . . "arvelighed" . . . . "Human Quality Control" . . . . . "Human quality control : The breeding and feeding of genius" . . . . . . . . . "Human quality control; the breeding and feeding of genius" . . . . . . . . "Human quality control : the breeding and feeding of genius" . . "Pädagogik." . . "miljø" . . "Entwicklungspsychologie." . . "Niños Desarrollo." . .