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Objective usability evaluation of drywall screwdriver under consideration of the user experience

机译：考虑用户体验的干墙螺丝刀的客观可用性评价

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During validation of power tools, one objective is to determine the usability of the device for several applications. A common way to gain this user knowledge is to carry out tests under laboratory conditions with nonprofessional craftsmen, whereby a non-professional user does not work and evaluate a power tool similarly to a professional. Therefore an experimental study was conducted to investigate the possibility of training nonprofessionals in the professional working methods and evaluation of relevant key criteria for drywall screwdrivers. 39 subjects were divided into three groups and trained in the professional use of a drywall screwdriver. Results indicate that targeted training significantly improves the professional way of working (professional hand positionp = 0.000, beta = -0.764) and evaluation (testing of mass distribution p = 0.000, beta = -0.731) of a drywall screwdriver. The gained knowledge can be used for the implementation of objective usability test-environments to derive specific and differentiated user-centered development potentials under laboratory conditions.
机译：在验证电动工具期间，一个目标是确定设备的可用性，用于多个应用程序。获得这一用户知识的常见方法是在实验室条件下进行测试，其中非专业用户不起作用并与专业人士类似地评估电动工具。因此，进行了一个实验研究，调查了在专业工作方法中培训非专业人士的可能性和对干墙螺丝刀的相关关键标准的评估。 39项受试者分为三组，并培训了干墙螺丝刀的专业用途。结果表明，有针对性的训练显着提高了干式螺丝刀的专业工作方式（专业手立式= 0.000，Beta = -0.764）和评价（质量分布的质量分布P = 0.000，Beta = -0.731）。获得的知识可用于实施客观可用性测试环境，以在实验室条件下导出具体和差异化的用户中心的发展潜力。

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