The government's considering using randomly selected members of the public to shape the cannabis reform debate.
Justice Minister Andrew Little says a citizens' jury process could help provide the questions which would be asked in a referendum.
Otago University researcher Dr Richard Egan says a citizens jury is made of 12-to-15 randomly selected people from the electoral role.
They listen to experts on either side of an issue for two-to-three days before coming to a decision.
He told Mike Hosking it's essentially an informed focus group.
"They come up with either, they all agree, they all don't agree and why and what are the particular reasons that they agree or don't agree.
LISTEN ABOVE AS RICHARD EGAN SPEAKS WITH MIKE HOSKING