Reliable detection of forecasting skill is slow and resource-intensive. Forecasters need to answer dozens of questions, which may take months or years to resolve. To accelerate this process, we propose the Full Accuracy Score (FAS), a measure that combines the strengths of ground-truth-based...

Using a controlled laboratory experiment, we test the effect of individual versus group when making judgmental forecasting adjustments. When individuals make decisions, especially that are exacting task like forecasting, they often feel anxious. Yet, when groups make decisions, they feel less...