“…This research pointed out the following conditions as necessary for the development of active language skills: 1) emotional contact with adults in the first year of infancy, 2) common object related child-adult activity, 3) child satisfaction by adult vocal and speech environment, i.e. “vocal interaction” with adults, together with adult expressive speech (Ruzskaya, Elagina & Zalysina 1989, Vetrova 1975).…”