by M. G. I︠A︡roshevskiĭ, Li︠u︡dmila Ivanovna Ant︠s︡yferova, Nauchno-issledovatelʹskiĭ institut obshcheĭ i pedagogicheskoĭ psikhologii (Akademii︠a︡ pedagogicheskikh nauk SSSR)