発はっ達たつ心しん理り学がくMeaningsNoun1. developmental psychologyKanji used発let out達accomplished心heart理logic学studyPitch accentはったつしんりがくComposed of発はっ達たつdevelopment; growth; progress; advancement; expansion (of a typhoon, low-pressure area, etc.)Noun心しん理り学がくpsychologyNoun