About this Quebec poll from Mainstreet Research
This Quebec poll was fielded by Mainstreet Research in August 2018, with a middle field date of August 20, 2018. The poll collected data from a total sample of n=1,647 Quebec respondents via IVR technology (automated calls).
The margin of error [moe] for this poll is estimated at ±2.4%, 19 times out of 20 (for entire sample only) around the 50%-mark.
If we compare these national numbers with the previous poll from Mainstreet Research (August 2018), the Coalition avenir Québec remains stable at 32%, the Liberal Party is down one point (variation smaller than moe), and the Parti Québécois remains stable at 18%.
You can read more information on this poll here.