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相关概念视频

Vector Algebra: Graphical Method01:10

Vector Algebra: Graphical Method

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Vectors can be multiplied by scalars, added to other vectors, or subtracted from other vectors. The vector sum of two (or more) vectors is called the resultant vector or, for short, the resultant.
We use the laws of geometry to construct resultant vectors, followed by trigonometry to find vector magnitudes and directions. For a geometric construction of the sum of two vectors in a plane, we follow the parallelogram rule. Suppose two vectors are at arbitrary positions. Translate either one of...
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Graphical and Analytic Representation of Sinusoids01:20

Graphical and Analytic Representation of Sinusoids

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Analyzing two sinusoidal voltages with equal amplitude and period but different phases on an oscilloscope, an instrument used to display and analyze waveforms, involves a three-step process.
The first step is measuring the peak-to-peak value, which is twice the amplitude of the sinusoid. This provides information about the maximum voltage swing of the waveform.
Secondly, the period and angular frequency are determined. The period is the time taken for one complete cycle of the waveform, while...
503
Bar Graph01:07

Bar Graph

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A bar graph is also called a bar chart and consists of bars that are separated from each other. It either uses horizontal or vertical bars to show comparisons among categories. The bars can be rectangles, or they can be rectangular boxes (used in three-dimensional plots). One axis of the graph represents the specific categories being compared, and the other axis shows a discrete value. In this graph, the length of the bar for each category is proportional to the number or percent of individuals...
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Multiple Bar Graph01:07

Multiple Bar Graph

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As the name suggests, a multiple bar graph is the same as a bar graph but has multiple bars to depict relationships between different data values. One can include as many parameters as possible. However, each parameter must have the same unit of measurement.
Each bar or column in the multiple bar graph represents a data value. These graphs are used primarily in interrelating two or more sets of data. The categories of different kinds of data are listed along the horizontal or x-axis, whereas...
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Ogive Graph01:07

Ogive Graph

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An ogive graph is sometimes called a cumulative frequency polygon. It is one type of frequency polygon that shows cumulative frequency. In other words, the cumulative percentages are added to the graph from left to right. An ogive graph plots cumulative frequency on the vertical y-axis and class boundaries along the horizontal x-axis. It’s very similar to a histogram; only instead of rectangles, an ogive displays a single point where the top right of the rectangle would be. Creating this...
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Methods of Documentation IV: Focus Charting01:26

Methods of Documentation IV: Focus Charting

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Focus Charting, also known as the focus charting system or "focus documentation," is a systematic documentation approach used in healthcare to organize patient information in medical records.
It typically involves three columns for recording information:
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相关实验视频

Updated: Sep 17, 2025

High Resolution Quantitative Synaptic Proteome Profiling of Mouse Brain Regions After Auditory Discrimination Learning
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一种替代的音频图形方法,用于在数学图形中呈现结构信息,该图形是为视障用户设计的.

Ewa Dzierzgowska1, Michał Maćkowski2, Mateusz Kawulok2

  • 1Faculty of Biomedical Engineering, Department of Medical Informatics and Artificial Intelligence, Silesian University of Technology, Zabrze, Poland.

Scientific reports
|July 2, 2025
PubMed
概括

一种新的音频图形方法通过结合音频和视觉来增强低视力学生的数学学习. 这种方法可以改善学习成果并减少挫折感,特别是对于那些视力轻度至严重障碍的人来说.

关键词:
辅助技术是指辅助技术的使用.视力低下的用户.数学教育的数学教育.为盲人提供移动应用程序.视力受损的人视力受损

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科学领域:

  • 辅助技术 辅助技术 辅助技术
  • 数学教育教育 数学教育
  • 视力障碍研究 视力障碍研究

背景情况:

  • 现有的数学教育辅助技术往往难以向视力低下的学生传达复杂的图形信息.
  • 像屏幕阅读器和放大器这样的当前工具增加了认知负载,并降低了视力障碍学生的学习效率.
  • 需要创新的方法来改善STEM教育对视力低下的人的可访问性.

研究的目的:

  • 介绍和评估一个音频图形方法教数学低视力学生.
  • 评估在教育平台中将音频反与图形内容集成的有效性.
  • 为了比较不同程度的视力障碍的学习成果,努力和丧水平.

主要方法:

  • 开发一个结合音频图形方法的教育平台.
  • 根据世卫组织视力障碍分类 (轻度,中度,严重) 的视力障碍参与者的评估.
  • 评估学习成果,任务完成时间和可用性.

主要成果:

  • 与现有方法相比,音频图形方法证明了可比或改进的学习成果.
  • 观察到任务完成时间的显著减少,特别是在复杂的函数 (功率,三角函数) 中.
  • 该平台显示出高度的可访问性和易用性,对轻度和重度视力低下的学生有显著的好处.

结论:

  • 音频图形方法提供了一个有前途的方法,以提高低视力学生的数学教育.
  • 整合音频和视觉反的多式模式教育工具可以有效地支持视觉障碍者的STEM学习.
  • 进一步开发这些工具可以显著提高STEM领域的教育公平性和成果.