Action Talkback - What do we expect from political opinion poll

Malcolm Turnbull's Coalition Government lost the 30th consecutive Newspoll which ignites speculation of his stepping down as the Prime Minister.

Malcolm Turnbull used 30 consecutive Newspoll losses as one reason for ousting Tony Abbott in 2015 Source: AAP

Polls today are always used to reflect public opinions and test polices or messages that help political parties to shape their very own ruling agenda.

In what extent an individual mind would be effected by political opinion polls? Are they accurate as a true reflection of particular group? Do you think Turnbull need to step down?