1. Department of Educational Psychology, University of Illinois at Chicago, Chicago, IL, USA
2. Math Merit Program, Department of Mathematics, University of Illinois Urbana-Champaign, Urbana, IL, USA
3. Center for Learning, Teaching, and Evaluation (CAE + E), Pontificia Universidad Javeriana, Bogotá, Colombia
4. Department of Teacher Education and School Research, Faculty of Educational Sciences, University of Oslo, Oslo, Norway
5. Department of Educational Psychology, University of Illinois at Urbana-Champaign, Urbana, IL, USA