usability 30

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    usability 30 - Presentation Transcript

    1. 可用性30 UE组 guihuawu@gmail.com 1
    2. 可用性:规则和原则 • 7±2 • 2秒 • 3次 • 80/20 • 交互设计的八条黄金法则 • 费茨定律 • 倒金字塔 • 满意原则 2
    3. 可用性:规则和原则 • 7±2原则 因为人脑在获取信息时有容量限制,所以在处理复杂信 息时会把其分为大的块和单元。根据George A. Miller 对人类短时记忆的研究,人脑每次能记住大概5至9项。 这个理论通常用在 1.限定导航菜单选项的数目为7。 2.每屏的版块设置等 3

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    about usability 30

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