1. Center for the Study of Language and Information, Stanford University, Stanford, CA, USA
2. Department of Psychology, Concordia University, Montreal, Quebec, Canada
3. Department of Psychology, Stanford University, Stanford, CA, USA
4. Department of Psychology, University of British Columbia, Vancouver, British Columbia, Canada
5. Department of Psychology, University of Manitoba, Winnipeg, Manitoba, Canada
6. Department of Sociology, Stanford University, Stanford, CA, USA