β¨ The lecture discusses the tension between getting feedback from real people and creating something that works.
π Wizard of Oz prototyping is a technique to simulate interactive behavior and machine functionality without writing much code.
π₯ The lecture demonstrates the realistic and immersive nature of Wizard of Oz prototypes through a movie phone application example.
π§ββοΈ The Wizard of Oz technique is used in speech user interfaces to simulate functionality before it's developed.
πͺ 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.
β³ This technique allows researchers to explore user experience issues and test the effectiveness of speech recognition technology.
π§ͺ Customization and trade-offs in user personalization.
π Higher fidelity Wizard of Oz prototypes make the interface feel real to users.
π Quick and dirty paper prototypes are recommended for early Wizard of Oz testing.
π Aardvark used a Wizard of Oz prototype to bootstrap their social search engine.
π‘ Building a Wizard of Oz prototype involves determining the supported scenarios and creating a user interface skeleton.
π Developing hooks for input and deciding the type of input the wizard can offer is crucial.
π§ͺ It is important to practice the prototype with a friend or colleague to identify bugs and effective scenarios before testing with real users.
π₯ In a Wizard of Oz prototype, there are two roles: a facilitator who interacts with the user and a wizard who manipulates the prototype.
π Getting feedback from users is important, and there are different approaches such as think-aloud feedback, retrospective approach, and specific evaluation criteria.
π Showing gratitude and appreciation to participants is important, and it can be done through gestures like giving a gift certificate or offering ice cream.
π§ββοΈ Using Wizards of Oz prototypes in software development.
π‘ Benefits of using Wizards of Oz prototypes.
π Iterative and interactive nature of Wizard of Oz prototypes.
π Early feedback and bug detection in user interface design.
π Wizard of Oz prototypes for forward-looking applications.
π Learning application logic through Wizard of Oz prototypes.
π§ββοΈ Using a Wizard of Oz prototype allows for the simulation of technology that may not exist yet.
β±οΈ Wizards require training and have slower runtime efficiency, but they can be effective for certain functionalities like speech user interfaces.
π‘ Wizards are a powerful technique for creating new user interfaces and can stimulate creativity.
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