Which evaluation metrics (comparing single-dimension vs. composite indices) are sensitive enough to detect quality differences within similar processes but robust enough for valid comparison across different topics, geographies, and participant populations?

Many deliberative democrats herald the potential of minipublics to help improve the quality of democratic decision-making. Yet these democratic innovations present a paradox: how can the use of minipublics be perceived as legitimate by the maxi-public when most citizens cannot participate? This a...