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Position Paper J.A.Renshaw

W2: Commercial uses of eyetracking. Position Paper J.A.Renshaw. Introduction My Area of Interest Measuring Satisfaction Research Graphical Displays Tables The Problems with Fixations are… Other Metrics Regressions ???. Usability Defined.

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Position Paper J.A.Renshaw

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  1. W2: Commercial uses of eyetracking Position Paper J.A.Renshaw

  2. Introduction • My Area of Interest • Measuring Satisfaction • Research • Graphical Displays • Tables • The Problems with Fixations are… • Other Metrics • Regressions • ???

  3. Usability Defined The measurement of usability, defined in ISO 9241 as :- The effectiveness, efficiency, and satisfaction with which specified users, achieve specified goals in particular environments.

  4. Graph Designs . Graph Type 2 Graph Type 1

  5. Tables No Alignment Data Zone Total Alignment Slide number 1 Slide number 12

  6. Satisfaction Regressions Spearman correlation test showed a strong and significant negative correlation between the mean number of regressions and the mean satisfaction scores (rho = - 0.7, p< 0.05, N=12).

  7. Pros and Cons of the Regression Metric • Pros • Used as a global measure independent of Areas of Interest • No frequency/duration dilemmas • Not subject to conscious influence in normal behaviour. • Not task dependant. • Cons • Yet to establish regression monitoring independent of qualitative Msurveys.

  8. Any Questions?

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