Choosing the right person for a given position is a highly complex task, J. Scott Armstrong yet experts believe that their experience allows them to do this well. Michael Lewis’s 2003 book Moneyball and the recent film based on the book provide a counterpoint, showing that the statistical...

The authors explain how, for the third time since its appearance in 2004, the PollyVote (www.polyvote.com) has demonstrated the value of combining forecasts to predict the two-party popular vote in U.S. presidential elections. Copyright International Institute of Forecasters, 2013

No one came closer to predicting the outcome of the 2004 U. S. presidential election than the team at politicalforecasting.com, also called pollyvote.com. They tell us how they did it and whether they think they can do it again. Copyright International Institute of Forecasters, 2005

Scott and Alfred describe Allan Lichtman's Keys Model as an example of an index method of forecasting, which assigns ratings of favorable, unfavorable, or indeterminate to influencing variables. They describe how index methods have been applied in other decision-making contexts, and they discuss...

The authors report the results of several forecasting experiments they conducted with university students and experts, producing some amazing results. Copyright International Institute of Forecasters, 2005

When financial columnist James Surowiecki wrote The Wisdom of Crowds, he wished to explain the successes and failures of markets (an example of a "crowd") and to understand why the average opinion of a crowd is frequently more accurate than the opinions of most of its individual members. In this...

Using findings from empirical-based comparisons, the author presents nine generalizations that can improve forecast accuracy. These are often ignored by organizations, so that attention to them offers substantial opportunities for gain. Copyright International Institute of Forecasters, 2005

The Delphi technique is better than traditional group meetings for forecasting and has some advantages over another promising alternative to meetings, prediction markets. In this article, Kesten, Scott, and Andreas observe the increasing popularity of Delphi, describe the benefits of using this...

At PoliticalForecasting.com, better known as the Pollyvote, the authors combine forecasts from four sources: election polls, a panel of American political experts, the Iowa Electronic Market, and quantitative models. The day before the election, Polly predicted that the Republican ticket's share...