System for measuring cognitive load of classroom teaching

A technology of cognitive load and measurement system, applied in the field of educational informatization, can solve problems such as mental load, mental effort behavior performance, and inability to be measured in an all-round way, so as to improve the organization and presentation methods, improve the estimation accuracy, and improve the teaching effect. Effect

Active Publication Date: 2019-01-01
HUAZHONG NORMAL UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

At present, the measurement of cognitive load in classroom teaching does not fully consider the three aspects of mental load, mental effort, and behavioral performance, and cannot directly complete all index measurements in classroom teaching

Method used

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  • System for measuring cognitive load of classroom teaching
  • System for measuring cognitive load of classroom teaching
  • System for measuring cognitive load of classroom teaching

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Embodiment Construction

[0052] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0053] Such as figure 1 As shown, the technical idea of ​​the classroom teaching cognitive load measurement method of the present invention is: record the student's response time and answer accuracy when completing the relevant task; record the cognitive load self-evaluation scale that the student fills in when completing the relevant task, And analyze the psychological effort of students an...

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Abstract

The invention provides a classroom cognitive load detection system, which belongs to the field of education informatization. The system comprises a task completion degree feature acquisition module, which is used for recording the correct rate of answering questions when the students complete the task; a cognitive load self-assessment module, which is used to quantitatively analyze the students' psychological effort degree and the subjective difficulty of the task; the expression and attention feature acquisition module is used for collecting the video of students' classroom performance, and counting the smiling face duration and fixation duration according to the video analysis result; a feature fusion module, configured to fuse the six indexes into feature vectors; the cognitive load judging module being configured to send the feature vector into the classifier to identify the class cognitive load level of the students. The invention can objectively, quickly and accurately rate the cognitive load of students in the classroom, help the teaching teacher to improve the organization and presentation mode of the learning materials, reduce the external cognitive load caused thereby, and thus improve the teaching effect.

Description

technical field [0001] The invention belongs to the technical field of education informationization, and in particular relates to a classroom teaching cognitive load measurement system. Background technique [0002] Cognitive load is the total amount of information that needs to be processed in working memory. Working memory, also known as short-term memory, is mainly responsible for acquiring and temporarily storing information in the current situation, and gaining an overall understanding of the task by associating it with information in long-term memory. Since the capacity of working memory is limited, when the target information in the learning environment is too rich or presented in an improper way, it will easily lead to overloading of the learner's working memory capacity and affect the learner's cognitive processing. The application of cognitive load theory in teaching is to reduce the external cognitive load caused by the organization and presentation of learning m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/62G06Q50/20G06V10/764
CPCG06Q50/205G06V40/168G06F18/214G06F18/295G06Q50/20G09B7/02G06V40/175G06V40/161G06V40/20G06V20/52G06V10/82G06V10/764G09B7/00G09B19/00G06V20/40G06V40/174
Inventor 陈靓影徐如意张坤刘乐元彭世新
Owner HUAZHONG NORMAL UNIV
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