The D21 voting method allows you to choose multiple options and cast “minus-votes” against options you disfavor. This enables voters to express a richer range of preferences, and reveals points of consensus and controversy - a significant advantage over traditional single-vote polls, which simply show winners and losers.
Take the example on the graph. Looking only at votes cast in favour of an option, the “swimming pool” received the second largest share of votes, while “school renovation” was placed third. However, the presence of minus-votes reveal that the pool is actually opposed by a significant number of people, making the school proposal actually preferred, by consensus. The additional information delivered by the D21 method clearly enables us to better understand voters' preferences and to see the “bigger picture”.
Want to know more? See the mathematical explanation, written by our founder Karel Janeček, on why the D21 algorithm delivers results with the highest possible satisfaction rate.
How do you know if your results represent the whole community? With D21, you can learn more about who is participating, including breakdowns by gender, age, neighborhood, profession -- any criteria you choose. All personal information is gathered anonymously and voluntarily; our goal is for you to know which parts of the community are already participating and which you could do more to engage.
Dozing off when reading long reports with endless tables? D21 provides an attractive solution to this problem, bringing results and patterns to life with a bare minimum of text and tables.
We save you time, improve your understanding of data, and guarantee a “wow” effect for your data with our visualisations and summaries of key results. Want more? Read about our map analysis!
A major challenge for surveys is finding preference patterns by geography without asking voters for their personal address. D21 resolves the problem with its D21 Squares GIS Analysis (D212). This innovative method of collecting geographic data lets you identify the needs and preferences of voters based on their location, all while protecting their anonymity.
With D212 analytics you can find out what all parts of the community think, simply and securely.