Ko te āta kimi, ko te kohikohi, ko te āta tirotiro me te tātari i ngā kōrero, i ngā raraunga e pā ana ki tētahi kaupapa. Ko te whāinga o te mahi rangahau, kia puta he mātauranga hou, he māramatanga hou.
The seeking, collecting, study and analysis of information and data pertaining to a particular topic, with the aim of generating new knowledge and understandings.
rangahau - seek, search out, pursue
Ko ia te kairangahau matua mō te rōpū hauora.
Ko tā ngā ākonga, he rangahau i ngā kōrero mō ō rātou iwi.
He mea rangahau i runga i te ipurangi, arā kē te nui o ngā kōrero i puta.