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相关概念视频

Numerical Calculations01:24

Numerical Calculations

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In engineering applications, the representation of the numerical value is critical. Presenting or reporting the answer is one of the essential parts of engineering practices. Numerical calculations are performed using handheld calculators or computers since numerically accurate answers are always preferred.
The solution to a problem is obtained using different methods. While manually solving algebraic symbols is one of the most common methods, the graphical method is often preferred. Computers...
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Pilot and Numeric Relaying01:21

Pilot and Numeric Relaying

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Pilot relaying is a type of differential protection used in power systems. It compares electrical quantities at the terminals of equipment via a communication channel instead of direct relay interconnection. This method is essential for transmission lines where the terminals are far apart, typically up to 80 km for lines with 69 to 115 kV ratings. Four types of communication channels are used for pilot relaying:
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How Data are Classified: Numerical Data00:59

How Data are Classified: Numerical Data

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Data that are countable or measurable in specific units are called numerical or quantitative data. Quantitative data are always numbers. Quantitative data are the result of counting or measuring the attributes of a population. Amount of money, pulse rate, weight, number of people living in a town, and number of students who opt for statistics are examples of quantitative data.
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Decision Making01:20

Decision Making

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Decision-making is a fundamental cognitive process that involves evaluating alternatives and selecting among them. This process can range from simple choices, such as deciding what to wear, to complex decisions, like choosing a major in college or a career path. The complexity of the decision often dictates the approach we use, which can be broadly categorized into two types: automatic and controlled decision-making.
Automatic decision-making is fast, intuitive, and relies on gut feelings...
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Impact of Groups on Groups01:19

Impact of Groups on Groups

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Social psychologists analyze how groups influence one another, shaping social structures and interactions through both cooperation and competition. These dynamics manifest in various ways, ranging from economic partnerships to intergroup conflicts that shape societal structures and perceptions.Cooperation and Competition in Intergroup RelationsIntergroup relationships vary across contexts, sometimes fostering cooperation and mutual benefit while at other times leading to conflict and...
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Decision Making: P-value Method01:09

Decision Making: P-value Method

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The process of hypothesis testing based on the P-value method includes calculating the P- value using the sample data and interpreting it.
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim  is also stated. These statements can act as null and alternative hypotheses:  a null hypothesis would be a neutral statement while the alternative hypothesis can...
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相关实验视频

Updated: Feb 5, 2026

The Impact of Motor Task Conditions on Goal-Directed Arm Reaching Kinematics and Trunk Compensation in Chronic Stroke Survivors
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数字计算中的困难影响了停止信号任务中的运动决策.

Isabel Beatrice Marc1, Valentina Giuffrida1,2, Mariella Segreti1,2

  • 1Department of Physiology and Pharmacology, Sapienza University, Rome, Italy.

The European journal of neuroscience
|February 4, 2026
PubMed
概括

以数值距离 (ND) 衡量的认知困难会影响决策. 更简单的数值比较提高了响应速度和准确性,增强了运动启动和抑制.

关键词:
这是SST的SST.认知困难 认知困难汽车决定 汽车决定数字距离影响数值距离的影响

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Comparing the Frequency Effect Between the Lexical Decision and Naming Tasks in Chinese
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相关实验视频

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科学领域:

  • 认知心理学 认知心理学
  • 神经科学是一个神经科学.
  • 决策科学 决策科学 决策科学

背景情况:

  • 有效的决策依赖于准确的环境信息解释.
  • 复杂的解释所带来的认知负担可能会阻碍决策过程.
  • 数值距离 (ND) 在数值比较中量化认知需求.

研究的目的:

  • 研究数值距离 (ND) 如何影响运动启动和抑制.
  • 检查认知需求对运动控制和决策的影响.
  • 阐明认知处理和运动反应之间的关系.

主要方法:

  • 开发了一种新的数值比较停止信号任务 (NC-SST).
  • 32名参与者进行了各种ND的试验,用于Go和Stop信号.
  • 采用了通用的漂移-扩散和线性混合效应模型.

主要成果:

  • 较大的ND (更容易比较) 导致更快,更准确的反应和更好的停止性能.
  • 漂移率随着Go ND的增加而增加,并受到空间数值关联的影响.
  • 前进过程参数,特别是漂移率,预测成功停止,与Stop ND和停止信号延迟 (SSD) 相互作用.

结论:

  • 增加的认知困难会损害运动启动和抑制.
  • 运动决策将认知信息与感知特征相结合.
  • 这些发现通过结合认知感知整合来扩展经典的种族模型.