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相关概念视频

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

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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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Machines01:19

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Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. One example of a machine is the cutting plier, which is used to cut wires by applying forces to its handles. When equal and opposite forces are exerted on the handles of the cutting plier, they cause the cutting edges to come together and apply equal and opposite reaction forces on the wire, which are greater than the applied forces.
A free-body diagram of the...
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Introduction to Developmental Psychology01:27

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Developmental psychology explores the changes and continuities in human abilities throughout life, encompassing physical, cognitive, linguistic, and social dimensions. Human development is not restricted to growth, but includes aspects of decline, particularly in physical abilities as individuals age. Developmental psychologists seek to understand how people change as they age and how their mental and social skills evolve.Developmental MilestonesA key concept in developmental psychology is...
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Three Developmental Domains01:29

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Human development is typically examined across three main domains: physical, cognitive, and socio-emotional. These domains represent the significant areas of change and continuity throughout the lifespan, from infancy to late adulthood.
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Neuronal Communication01:28

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Neurons, the fundamental units of the brain and nervous system, communicate through complex electrochemical signals that underpin all cognitive and bodily functions. This communication is primarily facilitated by a process involving the generation and propagation of an action potential along the axon of the neuron. When the internal electrical charge of a neuron surpasses a certain threshold, an action potential is triggered. This rapid change in voltage travels swiftly along the axon to the...
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使用基于机器学习的计算机自适应测试 (ML-CAT) 缩短麦克阿瑟-贝茨沟通开发库存.

Diana Saker, Haya Salameh, Hila Gendler-Shalev

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    此摘要是机器生成的。

    机器学习与计算机自适应测试 (ML-CAT) 结合,大大缩短了MacArthur-Bates通信开发库存 (MB-CDI) 的时间,用于评估早期的词汇发展,提高效率和可靠性.

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    科学领域:

    • 发展心理学 发展心理学
    • 计算语言学 计算语言学
    • 机器学习 机器学习

    背景情况:

    • 早期发现婴儿和幼儿发育障碍对于有效干预和降低成本至关重要.
    • 麦克阿瑟 - 贝茨沟通发展目录 (MB-CDI) 是评估早期词汇发展的标准工具,但很长时间和耗时.
    • 现有的评估方法在效率和适应性方面存在局限性.

    研究的目的:

    • 使用机器学习和计算机自适应测试 (ML-CAT) 开发MB-CDI的缩短版本.
    • 评估ML-CAT在预测词汇发展分数方面的准确性和效率.
    • 将ML-CAT的性能与现有方法进行比较,包括项目响应理论 (IRT).

    主要方法:

    • 使用机器学习方法与计算机自适应测试 (ML-CAT) 结合.
    • 根据个体受试者的反应调整了词汇序列,以缩短评估时间.
    • 在五种不同的语言中验证了ML-CAT.

    主要成果:

    • ML-CAT可靠地预测H-MB-CDI得分,使用平均只有10个单词,准确率为94%-96%.
    • 与非适应性方法和基于IRT的模型相比,ML-CAT表现优越.
    • 与IRT方法相比,ML-CAT在处理非典型讲话者 (异常值) 中显示出更好的准确性.

    结论:

    • ML-CAT提供了一种更有效,更可靠的方法来评估婴幼儿的词汇发展.
    • 较短的评估时间减少了对受试者和护理人员的负担,可能增加了可靠性.
    • ML-CAT促进了更广泛,更频繁的社区发展障碍查.