Are Two Heads Better Than One? Monetary Policy by Committee

Are two heads better than one?

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In Question Answering, Two Heads Are Better Than One

Motivated by the success of ensemble methods in machine learning and other areas of natural language processing, we developed a multistrategy and multi-source approach to question answering which is based on combining the results from different answering agents searching for answers in multiple corpora. The answering agents adopt fundamentally different strategies, one utilizing primarily knowl...

Two (or more) heads are better than one.

Two Heads Are Better Than One, but How Much?

Many theories of causal learning and causal induction differ in their assumptions about how people combine the causal impact of several causes presented in compound. Some theories propose that when several causes are present, their joint causal impact is equal to the linear sum of the individual impact of each cause. However, some recent theories propose that the causal impact of several causes...

When two heads are better than one expert

In a line of research on expertise and creative problem solving (Wiley, 1998; Wiley, 1999), an instance in which two heads do seem better than one has been found. In a study using a Remote Associates Task, when high knowledge participants were paired with a novice, solution rates actually increased beyond what would be expected from either type of individual working independently. The discovery...