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相关概念视频

Frustration and Conflict: Avoidance-Avoidance, Double-Approach Avoidance01:14

Frustration and Conflict: Avoidance-Avoidance, Double-Approach Avoidance

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Avoidance-avoidance conflict refers to a psychological situation where a person must choose between two or more unpleasant alternatives. These conflicts are particularly stressful because neither option is desirable. This dilemma is often expressed in sayings like "caught between a rock and a hard place" or "between the devil and the deep blue sea." For instance, individuals who fear dental procedures may find themselves torn between enduring a painful toothache or facing the...
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Frustration and Conflict: Approach-Approach, Approach-Avoidance01:20

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Frustration occurs when people are obstructed or prevented from achieving a desired goal or fulfilling a perceived need. For example, when someone's input is ignored in a discussion, it can lead to feelings of frustration. Conflict, however, arises from opposing interests, goals, or actions. Conflicts can take various forms based on the nature of these opposing desires or goals.
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Collisions in Multiple Dimensions: Problem Solving01:06

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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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Consider two sources of sound, that may or may not be in phase, emitting waves at a single frequency, and consider the frequencies to be the same.
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Confounding is a critical issue in epidemiological studies, often leading to misleading conclusions about associations between exposures and outcomes. It occurs when the relationship between the exposure and the outcome is mixed with the effects of other factors that influence the outcome. Given that, addressing confounding is of high importance for drawing accurate inferences in research.
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相关实验视频

Updated: Jul 28, 2025

Using a Virtual Reality Walking Simulator to Investigate Pedestrian Behavior
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从顺序冲突的角度研究 jaywalker 交叉风险:一个分组的随机参数概括的有序探针模型.

Ziqian Zhang1, Haojie Li1, Gang Ren1

  • 1School of Transportation, Southeast University, China; Jiangsu Key Laboratory of Urban ITS, China; Jiangsu Province Collaborative Innovation Center of Modern, Urban Traffic Technologies, China.

Accident; analysis and prevention
|June 1, 2023
PubMed
概括

随着连续冲突的发生,街头行走的风险会增加,因为行人先前的逃避或冒险行为会增加后来的危险. 在这些危险情况下,非机动车辆也构成威胁.

关键词:
分组的随机参数概括的有序探针模型.这就是Jaywalking.没有过境设施的中间街区.连续的 jaywalker-车辆冲突.

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相关实验视频

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科学领域:

  • 交通安全与人类行为
  • 步行者风险分析

背景情况:

  • 在没有指定过境设施的街区中部地区行走是公认的危险行为.
  • 连续的 jaywalker-vehicle (J-V) 冲突,由于 jaywalking 的意想不到的性质,是复杂和危险的,但研究不足.

研究的目的:

  • 从连续冲突的角度来调查路上行走的风险,以提供全面的危险描述.
  • 探索先前冲突因素对后来的JV冲突的滞后影响.
  • 帮助预测J-V冲突,并使驾驶员能够采取预防措施.

主要方法:

  • 开发一个分组随机参数的泛化有序探针模型.
  • 该模型考虑了串行冲突分析中的面板效应和未观察到的异质性.
  • 对连续的J-V冲突影响因素的分析,包括行人行为和车辆类型.

主要成果:

  • 增加的冲突序列与更高比例的侵略性 jaywalker 行为和轻微冲突相关.
  • 步行者逃避行动 (例如,在转时减速) 和危险行动 (例如,冲动,使用电话) 预测后续冲突的严重性.
  • 非机动车被确定为在没有交叉设施的中间街区对行人构成重大威胁.

结论:

  • 顺序冲突分析提供了一个更彻底的了解 jaywalking 危险.
  • 了解行人行为的滞后影响对于预测和缓解JV冲突至关重要.
  • 需要采取有针对性的干预措施,以减少路上行走和预防涉及行人事故,特别是与非机动车辆有关的事故.