Mkparịta ụka Irving Bieber na Robert Spitzer

Na Disemba 15, 1973, Kọmitii Nlekọta nke Ọrịa Ọrịa American, na-ekwenye na nrụgide nke ndị otu nwoke na-edina ụdị onwe ha, kwadoro mgbanwe nke usoro iwu maka nsogbu uche. Ekwesighi ịkpọ ndị mmekọ nwoke na nwoke dịka “mmekọrịta nwoke na nwanyị”; Kama, ekwesịrị ịkọwa ya dị ka "imebi iwu metụtara mmekọahụ". 

Robert Spitzer, MD, osote prọfesọ nke ọgwụgwọ ọrịa na Mahadum Columbia na onye otu kọmitii nomenclature APA, na Irving Bieber, MD, prọfesọ na-ahụ maka ahụike na New York College of Medicine na onye isi oche nke kọmitii ọmụmụ banyere nwoke idina nwoke, tụlere mkpebi APA. Ihe sochiri bu nkparita uka nke nkparita uka ha.

Ebumnuche a nabatara ugbu a na mba mepere emepe dịka nke nwoke idina nwoke na ibe ya na-adabaghị n'ihe nyocha sayensị bụ ọnọdụ ma bụrụ nke enweghị nkwenye sayensị, n'ihi na ọ na-egosipụta naanị nnabata echiche ndọrọ ndọrọ ọchịchị na-ezighi ezi, ọ bụghị nkwubi okwu sayensị.