Proportional symbols can be added to graphs to show information about different places. The graph below plots life expectancy against income for each country. It also shows population size. Each ...

Proportional reasoning failures seem to constitute most errors in probabilistic reasoning, yet there is little empirical evidence about its role for attaining probabilistic knowledge and how to ...

Job growth has been strong and steady over the past year. Wages, not so much: Average pay for U.S. workers barely kept up with inflation. But there was a fair bit of variation across different sectors ...