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相关概念视频

Virtual Work01:20

Virtual Work

1.6K
The principle of virtual work states that if a body is in static and dynamic equilibrium, then the sum of all the virtual work done by all external forces and couple moments for any given virtual displacement must be zero.
In static equilibrium, a body can experience an imaginary or virtual movement, such as displacement or rotation. The virtual work done by a force is equal to the dot product of force and virtual displacement in the direction of the force. When it comes to virtually rotating a...
1.6K
Virtual Work for a System of Connected Rigid Bodies01:06

Virtual Work for a System of Connected Rigid Bodies

859
Virtual work is a powerful method used to solve problems involving several connected rigid bodies. When the system is in equilibrium, virtual work is zero. This allows the calculation of the resulting forces when a system undergoes a virtual displacement. When attempting to analyze such a system, first, use a free-body diagram, where an independent coordinate represents the configuration of the links, and mark its deflected position resulting from the positive virtual displacement.
Next,...
859

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相关实验视频

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Using a Virtual Store As a Research Tool to Investigate Consumer In-store Behavior
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一个虚拟现实环境来研究与工作有关的客观化.

Giulio Puzella1, Antonio Sterlicchio1, Cristina Baldissarri1

  • 1University of Milano Bicocca, Department of Psychology, Mind and Behavior Technological Center, Italy.

Acta psychologica
|March 14, 2025
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概括

本研究介绍了ACME虚拟现实 (VR) 范式,以调查工作场所的客观化. 虚拟现实方法在重复性任务中有效地引起了更高的自我客观化,证明了它对心理研究的有用性.

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相关实验视频

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科学领域:

  • 心理学 心理学 心理学
  • 人与计算机的交互
  • 职业健康 职业健康 职业健康

背景情况:

  • 传统的实验室方法研究工作场所的客观化缺乏现实世界的应用.
  • 虚拟现实 (VR) 通过创建现实的,但受控的实验环境来提供解决方案.
  • 研究自我客观化需要具有高生态有效性的方法.

研究的目的:

  • 引入和验证ACME VR范式,用于研究与工作相关的客观化.
  • 评估范式在不同任务条件下引起自我客观化的能力.
  • 探索任务特征对自我客观化和对客观化活动的看法的影响.

主要方法:

  • 开发了两个VR场景:一个客观化的装配线任务和一个非客观化的木工控制任务.
  • 在初步研究中评估了可用性,交互质量和用户体验.
  • 进行了一项主要研究,以测量自我客观化,自我感知作为工具,以及心理状态的归因.

主要成果:

  • 在ACME VR范式展示了令人满意的可用性和用户体验.
  • 与对照组相比,装配线场景显著增加了自我客观化和对客观化活动的看法.
  • 客观化场景中的参与者表现出类似仪器的自我感知和减少对心理状态的归因.

结论:

  • ACME VR范式是对工作场所客观化实验研究的可靠和验证的工具.
  • 虚拟现实有效地复制复杂的工作场所动态,并允许对关键变量进行操纵.
  • 这项研究证实了任务特征对心理客观化机制的影响.