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Measuring Efficiency of Use in a Web-based EMR Developed for Malawi: Lessons Learned From Performing a Preliminary CogTool Analysis [5 Cr2 1100 Landislewis]

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Gunther Eysenbach
Gunther Eysenbach
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Landis Lewis, Z. et al.: Measuring Efficiency of Use in a Web-based EMR Developed for Malawi: Lessons Learned From Performing a Preliminary CogTool Analysis ,[object Object],[object Object],[object Object]
Measuring Efficiency of Use in a Web-based EMR Developed for Malawi: Lessons Learned From Performing a Preliminary CogTool Analysis Zach Landis Lewis, MLIS Gerald Douglas, MSIS Valerie Monaco, PhD, MHCI University of Pittsburgh Department of Biomedical Informatics
 
Background: Malawi 12.4 million 119,282 km 2 Pennsylvania 13.6 million Population (2007 est.) 118,484 km 2 Area Malawi 43.5 77.8 Life expectancy at birth in years 900,000 (14.2%) 18,000 (0.15%) Number of people living with HIV/AIDS
 
Background: Baobab Anti-Retroviral Therapy system (BART)
     ,[object Object]
Objective ,[object Object]
Methods ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Methods: CogTool ,[object Object],[object Object],Q: What is predictive human performance modeling? A: A method for predicting how long a skilled user will take to complete a task ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
     ,[object Object]
Methods: CogTool
Methods: CogTool
Methods: CogTool The five clusters of colored bars represent all the button presses required to perform this task, separated by thinking time. “ 5” “ 8” “ .” “ 3” “ Next”
Methods: CogTool This is the final hand movement operator for pressing the button labeled “5”. This pane shows a close-up view of a sequence of cognitive resources being used. Here we see the activities for pressing the button labeled “5”
Methods: CogTool This is a “trace” of production rules fired by the ACT-R production rule system during the task performance The highlighted production rules correspond with cognitive activities occurring while a user is pressing the button labeled “5”.
Results: CogTool ,[object Object],[object Object],[object Object]
Results: Novice Performance ,[object Object],[object Object],[object Object],[object Object]
Results: Comparison of CogTool Prediction with Novice Performance
Discussion ,[object Object],[object Object],[object Object],[object Object],[object Object]
Discussion, continued ,[object Object],[object Object],[object Object]
Future Work ,[object Object],[object Object],[object Object],[object Object]
Acknowledgements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Measuring Efficiency of Use in a Web-based EMR Developed for Malawi: Lessons Learned From Performing a Preliminary CogTool Analysis [5 Cr2 1100 Landislewis]

  • 1.
  • 2. Measuring Efficiency of Use in a Web-based EMR Developed for Malawi: Lessons Learned From Performing a Preliminary CogTool Analysis Zach Landis Lewis, MLIS Gerald Douglas, MSIS Valerie Monaco, PhD, MHCI University of Pittsburgh Department of Biomedical Informatics
  • 3.  
  • 4. Background: Malawi 12.4 million 119,282 km 2 Pennsylvania 13.6 million Population (2007 est.) 118,484 km 2 Area Malawi 43.5 77.8 Life expectancy at birth in years 900,000 (14.2%) 18,000 (0.15%) Number of people living with HIV/AIDS
  • 5.  
  • 6. Background: Baobab Anti-Retroviral Therapy system (BART)
  • 7.
  • 8.
  • 9.
  • 10.
  • 11.
  • 14. Methods: CogTool The five clusters of colored bars represent all the button presses required to perform this task, separated by thinking time. “ 5” “ 8” “ .” “ 3” “ Next”
  • 15. Methods: CogTool This is the final hand movement operator for pressing the button labeled “5”. This pane shows a close-up view of a sequence of cognitive resources being used. Here we see the activities for pressing the button labeled “5”
  • 16. Methods: CogTool This is a “trace” of production rules fired by the ACT-R production rule system during the task performance The highlighted production rules correspond with cognitive activities occurring while a user is pressing the button labeled “5”.
  • 17.
  • 18.
  • 19. Results: Comparison of CogTool Prediction with Novice Performance
  • 20.
  • 21.
  • 22.
  • 23.