Publications/Presentations

Journal Publications

Ratwani, R. M. (2008). A Spatial Memory Mechanism for Guiding Primary Task Resumption. Ph.D thesis: Department of Psychology, George Mason University, Fairfax VA. PDF

Ratwani, R. M., Trafton, J. G. & Boehm-Davis, D.A. (2008). Thinking Graphically: Connecting Vision and Cognition during Graph Comprehension. Journal of Experimental Psychology: Applied . 14(1), 36-49 PDF

Ratwani, R.M. & Trafton, J.G. (2008). Shedding Light on the Graph Schema: Perceptual Features vs. Invariant Structure. Psychonomic Bulletin & Review. 15(4), 757-762. PDF

Ratwani, R.M. & Trafton, J.G. (2008). Spatial Memory Guides Task Resumption. Visual Cognition. 16(8), 1001-1010. PDF

Breslow, L.A., Trafton, J.G. & Ratwani, R.M. (in press). A Perceptual Process Approach to Selecting Color Scales for Complex Visualizations. Journal of Experimental Psychology: Applied.

Ratwani, R.M., Chan, J. & Trafton, J.G. (under review). Procedural Errors are Not Random: Predictions from an Activation-Based Model of Goal Memory.

Ratwani, R.M. & Trafton, J.G. (under review). Eye Movement Patterns Suggest Different Cognitive Mechanisms Account for Different Types of Procedural Errors.

Ratwani, R.M., McCurry, J.M., & Trafton, J.G. (under review). A Real-Time Eye Tracking System for Predicting Postcompletion Errors.

Breslow, L.A., Ratwani, R.M. & Trafton, J.G. (under review). Understanding a Color Scale x Task Interaction for Data Visualizations.

Breslow, L.A., Trafton, J.G., McCurry, J.M. & Ratwani, R.M.(under review). An Algorithm for Generating Color Scales for Coding Both Categories and Quantities.

Refereed Conference Papers

Ratwani, R.M., Andrews, A.E., Sousk, J. & Trafton, J.G. (in press). The Effect of Interruption Modality on Primary Task Resumption. Submitted to the Fifty-second Annual Meeting of the Human Factors and Ergonomics Society. PDF

Ratwani, R.M., McCurry, J.M., & Trafton, J.G. (2008). Predicting Postcompletion Errors using Eye Movements. Proceedings of CHI 2008: Conference on Human Factors in Computing Systems. PDF

Brudzinski, M.E., Ratwani, R.M. & Trafton, J.G. (2007). Goal and Spatial Memory Following Interruption. Proceedings of the Eighth International Conference of Cognitive Modeling (ICCM). PDF

Ratwani, R.M., Andrews, A.E., McCurry, M., Trafton, J.G., & Peterson, M.S. (2007). Using Peripheral Processing and Spatial Memory to Facilitate Task Resumption. Proceedings of the Fifty-First Annual Meeting of the Human Factors and Ergonomics Society, Baltimore, MD. PDF

Ratwani, R.M., Trafton, J.G. & Myers, C. (2006). Helpful or Harmful? Examining the Effects of Interruptions on Task Performance. Proceedings of the Fiftieth Annual Meeting of the Human Factors and Ergonomics Society, San Francisco, CA. PDF

Ratwani, R.M. & Trafton, J.G. (2006). Now, Where was I? Examining the Perceptual Processes while Resuming an Interrupted Task. Proceedings of the Twenty-Eighth Annual Meeting of the Cognitive Science Society, Vancouver, Canada. PDF

Ratwani, R.M. & Trafton, J.G. (2005). Shedding Light on the Graph Schema. Proceedings of the Twenty-Seventh Annual Meeting of the Cognitive Science Society. Milan, Italy. PDF

Ratwani, R.M. & Trafton, J.G. (2004). Making Graphical Inferences: A Hierarchical Framework. In K. Forbuus, D. Gentner & K. Regier (Eds.), Proceedings of the Twenty-Sixth Annual Meeting of the Cognitive Science Society. Chicago, IL: Erlbaum. PDF

Ratwani, R.M., Trafton, J.G. & Boehm-Davis, D.A. (2004). From Specific Information Extraction to Inferences: A Preliminary Framework of Graph Comprehension. Proceedings of the Forty-Eighth Annual Meeting of the Human Factors and Ergonomics Society, New Orleans, LA. PDF

Ratwani, R. M., Trafton, J. G., & Boehm-Davis, D. A. (2003). Thinking graphically: Extracting Local and Global Information. In R. Alterman & D. Kirsch (Eds.), Proceedings of the Twenty-Fifth Annual Conference of the Cognitive Science Society. Boston, MA: Erlbaum. PDF

Conference Poster Presentations

Ratwani, R.M. & Trafton, J.G.(2007) Beyond the Time Cost of Interruptions on Primary Task Performance: Understanding Errors, Poster to be presented at the Twenty-Ninth Annual Meeting of the Cognitive Science Society, Nashville, TN.

Ratwani, R.M., Trafton, J.G. & Peterson, M.S. (2006). Using Spatial Information to Facilitate Task Resumption. Poster presented at the Forty-Seventh Annual Meeting of the Psychonomic Society. Houston, TX.

Ratwani, R.M. & Langkamer, K.L. (2005). Applying ACT-R in Military Training. Poster presented at the APA Division 21/19 Mid-year Meeting, George Mason University. Fairfax, VA.

Langkamer, K.L. & Ratwani, R. M. (2005). Work Smarter, Not Harder: Applying ACT-R to Training Research. Poster presented at the meeting of the Society of Industrial Organizational Psychology. Los Angeles, CA.

Ratwani, R.M., Trafton, J.G. & Boehm-Davis, D.A. (2004). Making Inferences from Graphs. Poster presented at the APA Division 21/19 Mid-year Meeting. Fort Belvoir, VA.