The Baldwin Wallace University Great Lakes Poll was conducted between 3/17/20 and 3/25/20 in partnership with Oakland University (Michigan) and Ohio Northern University.
The survey was conducted online among self-identified registered voters in Michigan (n = 997), Ohio (n = 1025), Pennsylvania (n = 973), and Wisconsin (n = 822) using Qualtrics, an online sample aggregator.
Sampled individuals were emailed by Qualtrics and responded using a personalized link to the survey.
The survey included quotas for age, education, and gender for each state. The quota for age was based on the 2016 Voting and Registration Supplement to the Current Population Survey. The quotas for education and gender were based on data from the 2017 American Community Survey. The survey also included quotas for central metro areas and fringe metro areas at the county level based on data from the U.S. Census, as well as the 2013 National Center for Health Statistics’ (NCHS) Urban-Rural Classification Scheme for Counties.
Michigan presidential match-ups:
President Donald Trump vs. Vermont Senator Bernie Sanders:
DEM: 19.9/80.1
GOP: 94.9/05.1
IND: 33.9/39.6
Overall: 48.0/44.3 Trump
President Donald Trump vs. former VP Joe Biden:
DEM: 15.6/84.4
GOP: 92.0/08.0
IND: 37.3/37.5
Overall: 46.3/46.3
https://www.bw.edu/Assets/community-research-institute/03-2020_great_lakes_poll_ii%20final.pdf?fbclid=IwAR0odQ5SKHQxXn4QkcI8CKMO8QoUnKg427RUrs04tN_elewDQFi6-X1wSHk
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