We investigate whether tests taken during a high stakes grade by German primary and secondary students produce higher math scores than in lower stakes grades. We identify a high stakes grade with the final grade of primary or secondary school, because good performance in that grade can affect...

It is widely hypothesized that anxiety and worry about an uncertain future lead to the adoption of comforting beliefs or "wishful thinking". However, there is little direct causal evidence for this effect. In our experiment, participants perform a visual pattern recog- nition task where some...