The positive effects of early childhood programs on children's school success have been demonstrated in the literature. However, most studies were completed in the U.S.A., where early childhood programs vary widely, based on differing auspice, regulation, cost, and other factors. In European...

Typically, laboratory experiments suffer from homogeneous subject pools and self-selection biases. The usefulness of survey data is limited by measurement error and by the questionability of their behavioral relevance. Here we present a method integrating interactive experiments and...