Published on in Vol 7, No 7 (2019): July
1 Language Technologies Institute, School of Computer Science, Carnegie Mellon University, Pittsburgh, PA, United States
2 School of Engineering and Applied Sciences, The University of Virginia, Charlottesville, VA, United States
3 Department of Psychology, Carnegie Mellon University, Pittsburgh, PA, United States
4 School of Education, University of Pittsburgh, Pittsburgh, PA, United States
5 Paul G Allen School of Computer Science and Engineering, University of Washington, Seattle, WA, United States
6 Information School, University of Washington, Seattle, WA, United States