Observation Deck
Featured Posts
Find out What's On Deck every month!
Why experiments still matter
In 2022, Deck conducted a large-scale paid relational field experiment in Pennsylvania with Relentless. We pursued this test because, to our...
How to Sign-Up and Get Started With Deck
Welcome to Deck, a web-based tool that helps Democratic candidates identify voters most likely to support their campaigns. Deck creates ...
Effect of Deck in 2022
In 2022, Deck usage was associated with 0.6 percentage points in higher vote share and 0.8 percentage points in higher vote share relative to Biden...
Evaluating our 2022 Forecasts
This cycle, significant polling bias against Democrats stoked fears of a red wave. But Deck’s forecasts not only much more accurately predicted the...
Organizing with Deck
All campaigns need to recruit and retain volunteers. Deck offers tools to help you find and contact potential volunteers and in this blog I cover...
All Content
Our 2020 vote-by-mail models
Because of the COVID-19 pandemic, unprecedented efforts to promote voting by mail, instability at the USPS, and Donald Trump’s anti-democratic rhetoric against voting by mail, past patterns in voting by mail may not hold this year. At the same time, the process of...
A billion scores per minute
Running complex predictive models on huge datasets can be a pain. At Deck, we’re really feeling that pain. Every day, our product runs several models on almost 13 billion rows of data — representing every campaign/voter relationship for the offices we support. It’s...