Tuhia he whiti kōrero poto i runga i te kaupapa e whai ake nei:  Ka whiwhi te tangata X i tētahi tohu Ph.D.
Ae ra, anei he rarangi poto: He roa, he uaua hoki te haerenga, engari he pai nga patunga tapu katoa. I tino whakapehapeha a ia, ā, i te wa i riro ai i a ia tana tohu, i te wa i whakapā atu ai ia ki te tumuaki.