Creating User Interfaces Reflect on VoiceXML Computers in teaching. Teaching project assignment. Classwork/Homework: brainstorm ideas. Make proposal. Prepare for guest.

Reflect on VoiceXML Different But similarities to other interface challenges Think about the user (caller) Defend against errors Provide effective ways to recover from errors Trade off: explicit choices versus more natural, free, interchange May be effectiveness vs satisfaction vs efficiency Features you may not have explored Mixed initiative; barge-in; scope ???

Computers in teaching Just more "drill and kill" or – practice in less threatening, perhaps even fun setting – Appropriate mixture of information and practice Video (just more TV), pictures in place of real subject or variety of modalities suited to subject Makes work easier or makes work harder – Raise standard for writing – Raise standard for depth of research

Teach or test Does program/product teach or only test? Again: improved drill may have value. – Duolingo very limited instruction Can participate in community Can access other sources

Online education Totally online Flipped classroom Hybrid

Challenges Difficulty of evaluating – Who is the user? For example, some studies of online education indicate it does work well for the most-motivated students – Problematic measure of time on task

A story Study involving students who created presentations on the Civil War versus regular study – Initial standard test showed no difference – Follow on test, with room for deeper answers, showed significant difference Ignored 'time on task': the students building presentations did spend more time.

Recall Importance of identifying users – Class assignment may not have the challenge to pick the hardest case Effectiveness: did the user learn something Satisfaction: would they come back (continue) Efficiency: time, …

In this context Cognitive load: make sure your program is making the student work on the right things, not basic logistics. Levels of learners?

Assignment Pick something that someone may want or need to learn about or how to do or… Technology is HTML5 JavaScript Make proposal – I will respond with approval and/or suggest changes Presentation of plans, including target user – The student(s) Build and test on actual users – Try to incorporate findings Presentation of final project and observations

Ideas Decimal or binary or hexadecimal arithmetic Credit cards (compound interest) Anatomy Geography – map of countries surrounding Crimea? – US states Reading music Musical pitch Cooking or cooking techniques – When is it better than recipe Design – Layout – Choosing fonts – ? Use of tablet, phone, computer, ….

Ideas Off-side rule in soccer (other sports?) Strategy in any game Spatial relations – Orientation of cards, cubes, etc. VoiceXML???

Next class Bill Junor of CTS coming to talk (and hear) about our experiences using Banner (myheliotrope) Prepare comments and questions – Think about user tasks – Total system: hardware, software, people and procedures Note: difficulties of retrospective study – Comparing it to last time