Ukunyuka kwezinga eliqhelekileyo (GRI) kukunyuka okuqhelekileyo kwinqanaba lokuthumela isiseko apho abathwali banokumisela ngexesha elichaziweyo kuzo zonke okanye iindlela ezikhethiweyo. Ngokuqhelekileyo iqhutywa lubonelelo kunye nekhonkco lemfuno ekuthuthweni kwempahla, inokwahluka kwiindlela ezahlukeneyo zokuthwala kunye neendlela.
I-GRI idla ngokuqalwa ngabathwali abakhulu kwaye abathwali base-US badla ngokubhengeza i-GRI ngosuku lokuqala lwenyanga yekhalenda, kuba umthetho wase-US unyanzelise abathwali ukuba babhengeze kwangaphambili nayiphi na i-GRI ngesaziso esincinci seentsuku ezingama-30.
