About this Ontario poll from Mainstreet Research
This Ontario poll was fielded by Mainstreet Research in April 2022, with a middle field date of April 19, 2022. The poll collected data from a total sample of n=1,136 Ontario respondents via IVR technology (automated calls).
The margin of error for an online sample is not applicable.
For comparison purposes, a random sample of this size would yield a margin of error [moe] of ±2.9%, 19 times out of 20 (for entire sample only) around the 50%-mark.
The regional breakdown of this poll was not made publicly available.
If we compare these national numbers with the previous poll from Mainstreet Research (April 2022), the Ontario PC Party climbs four points from 36% to 40%, the Ontario Liberal Party loses three points from 28% to 25%, and the Ontario NDP loses two points from 24% to 22% (variation similar to moe).
You can read more information on this poll here.