ibi bifitanye isano no kuba abagore barahawe rugari bakiga ndetse bakaminuza, kuko ya mibare yerekana ko abagore babashije kwiga amashuri yisumbuye cyangwa kurenzaho bafite umubare uri hasi w’abana babyaye (abana 3.4 ku mugore), mu gihe abagore bize amashuri abanza gusa cyangwa arengaho gake babyaye abana benshi (abana 3.9 ku mugore.
Emotions: fear