Change Research is rated Left with Mostly Factual factual reporting by Media Bias Fact Check.
LEFT BIAS
These media sources are moderately to strongly biased toward liberal/progressive causes through story selection and/or political affiliation. They may utilize strong loaded words (wording that attempts to influence an audience by using appeal to emotion or stereotypes), publish misleading reports, and omit information reporting that may damage liberal/progressive causes. Some sources in this category may be untrustworthy. See all Left Bias sources.
- Overall, we rate Change Research as Left Biased based on polling that consistently favors the left. We also rate them as a Mostly Factual pollster based on a B- rating in predictive polling.
Detailed Report
Bias Rating: LEFT (-6.3)
Factual Reporting: MOSTLY FACTUAL (4.0)
Country: USA
MBFC’s Country Freedom Rank: MOSTLY FREE
Media Type: Organization/Foundation
Traffic/Popularity: Minimal Traffic
MBFC Credibility Rating: MEDIUM CREDIBILITY
History
Change Research is a research organization based in California. According to their about page, “Change Research is polling for the people: fast, affordable, and accurate public opinion research. Based in the San Francisco Bay Area, Change Research works with forward-thinking campaigns and causes all around the United States.”
Read our profile on the United States media and government.
Funded by / Ownership
Change Research is a private company owned by Mike Greenfield and Pat Reilly. Its revenue is generated through service sales.
Analysis / Bias
Change Research conducts political research and polling on a wide range of topics, including elections. The website does not publish news other than its polls. However, they frequently conduct polling for Democratic candidates and causes.
Polling bias is assessed using Silver Bulletin’s mean-reverted bias metric. For Change Research, the mean-reverted polling bias is −2.68, indicating a significant Democratic lean. Under MBFC’s calibrated polling bias scale, a mean bias between -2.6 and -3.0 corresponds to a polling bias score of -6. Polling bias accounts for 70% of the final bias score, while editorial bias accounts for 30%.
Applying MBFC’s weighted formula:
(−6 × 0.70) + (−7 × 0.30) = −6.3
Based on MBFC’s bias classification scale, a final score of -6.3 places Change Research in the Left category.
Factual reporting is rated Mostly Factual based on a Silver Bulletin grade of B-, indicating average predictive accuracy and average methodological performance.
Failed Fact Checks
- None to date
Overall, we rate Change Research as Left Biased based on polling that consistently favors the left. We also rate them as a Mostly Factual pollster based on a B- rating in predictive polling. (D. Van Zandt 03/11/2024) Updated (02/09/2026)
Source: https://changeresearch.com/
Last Updated on February 9, 2026 by Media Bias Fact Check
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Left vs. Right Bias: How we rate the bias of media sources