(Workers put NDP banners as they get ready for their party's leadership convention. THE CANADIAN PRESS/Nathan Denette)
New research from McMaster University suggests that the voice of a candidate can play a big role in how people cast their ballots.
Cara Tigue is the PhD student behind the research the paper.
She explains how a voice's pitch can influence a voter's choice.
What do you think? Do you remember particular political voices that irked or charmed you?