“…Beliefs can be measured through scoring rules, introduced by Brier () and de Finetti (), which have the advantage that a single choice suffices to determine the exact belief in an incentive compatible way. Scoring rules have been used in many domains, including education (Echternacht, ), finance (Shiller et al ., ), political science (Tetlock, ) and experimental game theory (Costa‐Gomes and Weizsäcker, ). The most popular scoring rule is the QSR (McKelvey and Page, ; Nyarko and Schotter, ).…”