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A Wizard for PADI Assessment Design

AERA April 2005. A Wizard for PADI Assessment Design. Larry Hamel, CodeGuild, Inc. Patricia Schank, SRI International. 2. What is a Wizard?. An interview that gathers information from users through a series of simple questions E.g., Tax forms via Intuit’s TurboTax. 3. PADI Wizard Goals.

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A Wizard for PADI Assessment Design

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  1. AERA April 2005 A Wizard for PADI Assessment Design Larry Hamel, CodeGuild, Inc. Patricia Schank, SRI International

  2. 2 What is a Wizard? An interview that gathers information from users through a series of simple questions • E.g., Tax forms via Intuit’s TurboTax

  3. 3 PADI Wizard Goals • Easy assessment design, based on expertly-crafted foundations: scaling up the number of designers who use PADI • Good interaction for interviewees (designers) • Allow users to stop/restart, go back & forth • Status of completion available at a glance • Integrate well with PADI interface • Wizard-creation system for experts • Add or edit wizard steps • Reorder steps • Adaptive, dynamic wizard (phase 2)

  4. 4 1st Design: Editing Wizard • Provides context, but fairly complex • Costly to implement: start simpler?

  5. 5 2nd Design: Sequential Wizard • Simple question-answer interview • But how to handle constraints of early criteria that cascade to rest of interview? E.g.: If trying to measure proficiency in “planning investigation”, must include activity for it.

  6. 6 3rd Design: Selection Wizard • User’s criteria selects preconfigured templates (one per combination of criteria) • Selected templates can be arbitrarily complex • Example: Three criteria • What is the goal of the assessment? (2 choices) • Grade level of the students? (3 ranges) • What is the content area? (6 choices) • Yields 2x3x6 combinations: 36 templates, each of which is customized with appropriate constraints that cascade from user’s answers

  7. 7 Example: Running a Wizard • Begin with a welcome page • Next, exit buttons to navigate

  8. 8 Running a Wizard (cont.) • Example criteria question • Ask about goal of assessment, explain choices and offer menu selection

  9. 9 Running a Wizard (cont.) • Finishing wizard • If a template matching the criteria is found, it is cloned so user can customize it further

  10. 10 Wizard Creation • Constructing a wizard is itself an interview • Add and specify steps, decision matrix

  11. 11 Discussion • Many lessons learned (see paper), e.g. • Abstract way to define steps • Tension between simplicity and detail • Many combinations in Selection wizard • Future work • Revisit priority for dynamic, adaptive steps • Completion wizard • Fill in the template identified by the Selection wizard. Selection wizard handles the cascading constraints first; the rest is easy (?). • Under development—more to come!

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