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相关概念视频

Hydraulic Jump: Problem Solving01:16

Hydraulic Jump: Problem Solving

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To analyze a hydraulic jump in a rectangular channel with a flow speed of 6 meters per second, follow these steps:Calculate Effective Upstream Velocity:When the downstream gate closes, a hydraulic jump forms, traveling upstream at 2 meters per second. This wave speed combines with the initial channel flow velocity, creating an effective upstream velocity.Identify Flow Velocities Before and After the Hydraulic Jump:Upstream of the hydraulic jump, the effective flow velocity includes both the...
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Collisions in Multiple Dimensions: Problem Solving01:06

Collisions in Multiple Dimensions: Problem Solving

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In multiple dimensions, the conservation of momentum applies in each direction independently. Hence, to solve collisions in multiple dimensions, we should write down the momentum conservation in each direction separately. To help understand collisions in multiple dimensions, consider an example.
A small car of mass 1,200 kg traveling east at 60 km/h collides at an intersection with a truck of mass 3,000 kg traveling due north at 40 km/h. The two vehicles are locked together. What is the...
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Prismatic Beams: Problem Solving01:15

Prismatic Beams: Problem Solving

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In the design of a supported timber beam subjected to a distributed load, both the beam's physical dimensions and the timber's characteristics, such as its grade and species, are critical. These factors determine the allowable stress values, which are crucial for calculating the necessary beam depth to ensure structural integrity and safety.
The design begins with analyzing the beam as a free body to identify moments and force balances, thereby determining support reactions. Next, the...
208
Rolling Resistance: Problem Solving01:17

Rolling Resistance: Problem Solving

466
Rolling resistance, also known as rolling friction, is the force that resists the motion of a rolling object, such as a wheel, tire, or ball, when it moves over a surface. It is caused by the deformation of the object and the surface in contact with each other, as well as other factors like internal friction, hysteresis, and energy losses within the materials. Rolling resistance opposes the object's motion, requiring additional energy to overcome it and maintain movement. In practical...
466
Friction: Problem Solving01:21

Friction: Problem Solving

281
Friction is an essential force that influences the motion of objects in daily life. Depending on the situation, it can be either beneficial or problematic. Consider a bus with a mass of three megagrams and its center of mass at a specific point, moving along a banked road at a constant speed. The coefficient of static friction between the tires and the road is 0.5. Find the maximum angle of the banked road at which the bus would not slip or tip.
Initially, a visual representation of the...
281
Problem-Solving01:29

Problem-Solving

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Effective problem-solving consists of two steps: 1. identifying the problem and 2. selecting the appropriate problem-solving strategy (i.e., a plan of action used to find a solution). Humans use four problem-solving strategies:
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相关实验视频

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Author Spotlight: Investigating the Effects of Mind-Body-Movement Practices on Brain Function
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OURCADE:一个游戏来解决现实世界的游戏可访问性难题.

Jesse J Martinez1

  • 1Paul G. Allen School of Computer Science & Engineering, University of Washington, Seattle, Washington, USA.

Extended abstracts on Human factors in computing systems. CHI Conference
|June 26, 2025
PubMed
概括
此摘要是机器生成的。

OURCADE是一款新游戏,旨在帮助残疾玩家找到可访问的视频游戏. 它使用玩家参与来构建一个wiki资源,改善每个人的游戏可访问性发现.

关键词:
可访问性可访问性公民科学是公民科学.信息的检索和组织.开放科学是一个开放的科学.游戏中的角色扮演游戏.社交模拟游戏是社会模拟游戏.视频游戏 视频游戏

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科学领域:

  • 人与计算机的互动.
  • 游戏研究 游戏研究
  • 可访问性研究可访问性研究

背景情况:

  • 越来越多的电子游戏可访问性与残疾玩家的有限资源形成鲜明对比.
  • 现有的游戏可访问性信息是分散的,玩家很难找到.
  • 玩家社区是众包可访问性数据的潜在来源.

研究的目的:

  • 设计一种用于发现和评估视频游戏可访问性的新系统.
  • 为了利用玩家参与,创造一个众包游戏可访问性wiki.
  • 探索社会模拟角色扮演游戏在解决复杂的可访问性问题的潜力.

主要方法:

  • OURCADE的设计,一个社交模拟角色扮演游戏.
  • 使用玩家参与机制来收集游戏可访问性信息.
  • 开发一个基于wiki的资源,用于策划可访问性数据.

主要成果:

  • OURCADE有效地让玩家参与到游戏可访问性知识库中.
  • 该系统展示了创造一个全面和可靠的资源的潜力.
  • 玩家驱动的数据收集为可访问性信息提供了一个可扩展的解决方案.

结论:

  • 社会模拟游戏可以成为公民科学和可访问性研究的强大工具.
  • OURCADE为改善残疾玩家游戏可访问性发现提供了一个可行的模型.
  • 进一步的研究可以扩大使用游戏作为解决复杂社会挑战的平台.