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Sight Distance in a Vertical Curve01:29

Sight Distance in a Vertical Curve

306
Sight distance on vertical curves is critical in roadway design. It ensures drivers can see far enough ahead to identify and respond to hazards effectively. This directly impacts safety, driver comfort, and the overall efficiency of the transportation network.Vertical curves are classified into crest and sag curves based on their geometry. For crest curves, sight distance is determined by the line of sight between a driver's eye and a small object on the road's surface. Design parameters for...
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Communication01:03

Communication

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Communication between two animals occurs when one animal transmits an information signal that causes a change in the animal that receives the information. Organisms communicate with one another in a host of different ways. Signals can be auditory, chemical, visual, tactile, or a combination of these. Communication is a critical behavioral adaptation that promotes survival, growth, and reproduction.
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Communication01:28

Communication

9.3K
Sharing information, concepts, and emotions to foster mutual understanding is communication. The sender, recipient, and transaction must be considered in this manner. The sender is the person who shares the message, the recipient is the person who receives and understands the message, and the transaction is the method used to deliver the message and the variables that affect the communication's context and surroundings. The nurse-client connection is built on therapeutic communication.
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Non-Verbal Cues01:29

Non-Verbal Cues

248
Non-verbal communication extends beyond gestures and facial expressions to include vocal elements known as paralanguage. Paralanguage consists of non-verbal vocal cues such as pitch, loudness, speech rate, pauses, and non-verbal vocalizations like laughter, sighs, and moans. These elements not only accompany speech but also provide critical emotional and contextual information.The Role of Paralanguage in CommunicationParalanguage adds depth to spoken language by conveying emotions and...
248
Barriers to Effective Communication I01:30

Barriers to Effective Communication I

10.9K
A communication barrier is any distortion or interruption during a conversation, resulting in miscommunication of the message. A good communicator should know these barriers and continuously check for the listener's understanding by obtaining feedback.
Communication barriers include the following:
Physiological barriers: They are limitations caused by a person's health condition or disability, such as hearing loss, poor eyesight, illness, or unconsciousness. An example to overcome this...
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Barriers to Effective Communication II01:21

Barriers to Effective Communication II

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The barriers to effective communication also include cultural barriers, semantic barriers, gender barriers, and time constraints.
Cultural barriers:
Differences in values, beliefs, religion, knowledge, and tradition can significantly impact communication. Awareness of nonverbal cues is critical, especially when conversing with a patient from a different culture. What appears appropriate in one culture may be inappropriate in another.
Semantic barriers:
As a result of their tendency to use...
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相关实验视频

Updated: Jan 9, 2026

Tactile Vibrating Toolkit and Driving Simulation Platform for Driving-Related Research
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司机是否理解骑自行车者的沟通线索?

Christine M Petersen1, Patricia R DeLucia1

  • 1Rice University, Department of Psychological Sciences, MS-25, 6100 Main St, Houston, TX 77005, USA.

Accident; analysis and prevention
|December 1, 2025
PubMed
概括
此摘要是机器生成的。

司机使用手臂信号准确地预测骑自行车者的意图,但使用手机会损害这种能力. 骑自行车的人应该使用直臂信号,以更好地理解驾驶员和防止碰撞.

关键词:
通过手机进行对话.骑自行车的人 自行车人对意图的看法 意图的看法交通安全 交通安全 交通安全

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Last Updated: Jan 9, 2026

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科学领域:

  • 交通安全 交通安全 交通安全
  • 人与计算机的互动.
  • 认知心理学 认知心理学

背景情况:

  • 骑自行车的死亡人数有所增加,需要改善驾驶员与骑自行车的沟通.
  • 了解驾驶员对骑自行车者的看法对于预防事故至关重要.

研究的目的:

  • 为了确定司机使用哪些线索来预测骑自行车者的意图.
  • 评估手机使用对司机预测准确性的影响.

主要方法:

  • 60名司机观看了骑自行车者的视频,根据位置,头部运动和手臂信号来预测他们的意图.
  • 一半的参与者进行了模拟的手机对话 (最后一个字母任务).
  • 眼睛追踪技术可以监测驾驶员的注意力模式.

主要成果:

  • 司机预测的意图超出了机会,只有手臂信号显著提高了准确性.
  • 通过模拟手机使用分散注意力的驾驶减少了预测准确度.
  • 司机最初在看信号臂之前固定在骑自行车者的背上.

结论:

  • 骑自行车的人应该优先考虑直臂信号,并根据驾驶员的期望调整停止/减速信号.
  • 更清晰的沟通线索可以提高驾驶员的情境意识,防止碰撞.
  • 司机的分心严重损害了准确解释骑自行车者的意图的能力.