CSC USI Class Meeting 9 November 2, 2010 Election Day

Perfect Phone The six top-level tasks: 1.Move information to another device; conversely, move information or additional functionality to the Perfect Phone ™ 2.Sense, display and perhaps change features of the environment of the Perfect Phone ™ 3.Manage content and connect lists 4.Display directions to a location 5.Create content to be used on the Perfect Phone ™ or moved elsewhere. 6.Support the many ways in which Perfect Phone ™ users participate in social networking.

Move Information ReportReport from the team:

Sense and Display Environment Report from the team:

Another Formal Model: PIE To follow along, On your laptop, start the calculator in standard view Start a browser and display a page with a number of links, say Now turn to the PIE Model handout

Making Connections Case Study: History facility of a document producing system, with a broad understanding of the concept of a “document” Questions: 1.How do we understand the system in light of our approach based on models? 2.Does this understanding change depending on physical size of the system hardware?

History in a Document System Potential ways to model or describe the history system. – GOMS – Fitts’ Law – Cognitive dimensions – GUEPs – Task analysis – PIE model – Other ways of understanding

History in a Document System (2) Rough description of history: What does, or should, the history do? How is it invoked? Model of history: Use a formal structure: a “mathematical” approach Use GOMS: an interface modeling approach

History in a Document System (3) Design of history What does the interface look like? – What commands are provided? – Do the commands for the PIE model match the operations for the GOMS model? – What adaptations are available for a small device?

History in Other Settings Web browsing Single task systems, as opposed to a multitask system: iPad vs. Mac, for example Others?

Next Time Submit Progress Report 2 by Solve Exercises 15, 16, and 18 from the PIE Model handout and submit the answers. Either or a hard copy is fine.