โจ The lecture discusses the tension between getting feedback from real people and creating something that works.
๐ Wizard of Oz prototyping is a technique to simulate interactive behavior and machine functionality without writing much code.
๐ฅ The lecture demonstrates the realistic and immersive nature of Wizard of Oz prototypes through a movie phone application example.
๐งโโ๏ธ The Wizard of Oz technique is used in speech user interfaces to simulate functionality before it's developed.
๐ช A Wizard of Oz prototype involves a user interface that feels like the real thing, but is actually controlled by a human behind the scenes.
โณ This technique allows researchers to explore user experience issues and test the effectiveness of speech recognition technology.
๐งช Customization and trade-offs in user personalization.
๐ Higher fidelity Wizard of Oz prototypes make the interface feel real to users.
๐ Quick and dirty paper prototypes are recommended for early Wizard of Oz testing.
๐ Aardvark used a Wizard of Oz prototype to bootstrap their social search engine.
๐ก Building a Wizard of Oz prototype involves determining the supported scenarios and creating a user interface skeleton.
๐ Developing hooks for input and deciding the type of input the wizard can offer is crucial.
๐งช It is important to practice the prototype with a friend or colleague to identify bugs and effective scenarios before testing with real users.
๐ฅ In a Wizard of Oz prototype, there are two roles: a facilitator who interacts with the user and a wizard who manipulates the prototype.
๐ Getting feedback from users is important, and there are different approaches such as think-aloud feedback, retrospective approach, and specific evaluation criteria.
๐ Showing gratitude and appreciation to participants is important, and it can be done through gestures like giving a gift certificate or offering ice cream.
๐งโโ๏ธ Using Wizards of Oz prototypes in software development.
๐ก Benefits of using Wizards of Oz prototypes.
๐ Iterative and interactive nature of Wizard of Oz prototypes.
๐ Early feedback and bug detection in user interface design.
๐ Wizard of Oz prototypes for forward-looking applications.
๐ Learning application logic through Wizard of Oz prototypes.
๐งโโ๏ธ Using a Wizard of Oz prototype allows for the simulation of technology that may not exist yet.
โฑ๏ธ Wizards require training and have slower runtime efficiency, but they can be effective for certain functionalities like speech user interfaces.
๐ก Wizards are a powerful technique for creating new user interfaces and can stimulate creativity.
Sherron Watkins, former vice president, Enron Corporation
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