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The Usability Fitness Function

机译：可用性适应度功能

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The usability fitness function (UFF) is a scale for evaluating user interface designs early in the design lifecycle when it is inexpensive to make changes. The UFF is part of the facilitated genetic algorithm (FGA) design method. The FGA uses a team of designers to generate and evaluate multiple designs in parallel. The evaluation is done by the UFF. The UFF is constructed from evaluation criteria produced by stakeholders in the user interface design (users, human factors and usability engineers, softwarehardware engineers, marketing, and project management). The UFF can contain objective, heuristic, and subjective items. The UFF can be scored by either a Likert scale or by magnitude estimation. The Likert scale can order the designs. Magnitude estimation can indicate how many times better or worse a design is than an existing design. The UFF does not replace user testing but prunes bad designs early in the development life cycle thereby saving design cost and resources. This increases the efficiency of user testing, a notoriously resource intensive activity.
机译：可用性适应度功能（UFF）是一种标度，用于在设计生命周期中进行廉价的更改时评估用户界面设计。 UFF是便利遗传算法（FGA）设计方法的一部分。 FGA使用一组设计人员并行生成和评估多个设计。评估是由UFF完成的。 UFF由利益相关者在用户界面设计（用户，人为因素和可用性工程师，软件硬件工程师，市场营销和项目管理）中制定的评估标准构建而成。 UFF可以包含客观，启发式和主观的项目。 UFF可以通过李克特量表或幅度估计来评分。利克特秤可以订购设计。幅度估计可以指示设计比现有设计好多少倍。 UFF不能代替用户测试，而是在开发生命周期的早期修剪不良的设计，从而节省了设计成本和资源。这提高了用户测试的效率，这是众所周知的资源密集型活动。

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