Malcolm Turnbull is considered favourite by both sides of politics to lead his party to victory on Saturday but the opinion polls continue to bring uncertainty. University of Canberra acting vice-chancellor Frances Shannon and Michelle Grattan discuss how the strong support for independent candidates and microparties could throw up surprises on polling day.

Michelle Grattan does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond the academic appointment above.