MA: VT Senator Bernie Sanders & MA Senator Elizabeth Warren in a tight race with a solid lead over former IN Mayor Pete Buttigieg, former VP Joe Biden & former NYC Mayor Michael Bloomberg by Mass Lowell

Massachusetts Democratic Primary:

This poll was independently funded by the University of Massachusetts Lowell, designed and analyzed by the Center for Public Opinion. Data was collected by YouGov, an online polling organization. Respondents were selected from YouGov and three other online panels. YouGov interviewed 584 eligible respondents who were then matched down to a sample of 450 to produce the final dataset. The respondents were matched to a sampling frame on gender, age, race, and education based on known characteristics of Democratic Party primary voters from the Massachusetts voter file and the 2018 Cooperative Congressional Election Study. The matched cases were weighted to the sampling frame using propensity scores. The matched cases and the frame were combined and a logistic regression was estimated for inclusion in the frame. The propensity score function included age, gender, race/ethnicity, years of education, and region. The propensity scores were grouped into deciles of the estimated propensity score in the frame and post-stratified according to these deciles. The weights were then post-stratified on past primary election behavior, and age x gender stratification of Democratic Primary voters from the Massachusetts voter file to produce the final weight.

Bernie Sanders: 21%
Elizabeth Warren: 20%
Pete Buttigieg: 15%
Joe Biden: 14%
Michael Bloomberg: 12%
Amy Klobuchar: 09%
Tulsi Gabbard: 03%
Tom Steyer: 02%


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