Learning Support Device Similarity Matching
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Solution Overview
Problem
Conventional learning support devices require pre-stored explanations for each problem, limiting their effectiveness as users cannot refer to explanations for unsolved problems, leading to degraded learning experiences.
Innovation Solution
A learning support device that includes a unit for storing example problems and exercises, a judging mechanism to identify similar problems, and a display mechanism to show corresponding explanations for difference or equivalent portions between reference and designated exercises.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If explanations are pre-stored for each problem step-by-step, then learning support accuracy is improved, but preparation burden and device complexity increase significantly
Solution Approach 1:
The system pre-stores only example problems and their explanations, not explanations for all possible exercises. When a user encounters an unsolved exercise, the system automatically retrieves a similar example problem and highlights the corresponding portions, enabling users to solve problems independently without pre-prepared step-by-step explanations for every exercise type.
Solution Approach 2:
The system creates a mapping relationship between exercises and example problems, allowing users to copy the solution approach from similar example problems. The explanation display unit highlights corresponding portions in the example problem that match the user's exercise, enabling transfer of problem-solving methods without requiring pre-written explanations for each exercise.
2Ease of operation
If explanations are stored for all exercises, then user convenience is improved, but storage requirements and preparation time increase
Solution Approach 1:
Example problems serve multiple functions: they act as both learning materials and solution references for various exercises. By establishing similarity relationships between exercises and example problems, a single example problem can support multiple different exercises, reducing the total volume of explanation data needed while maintaining user convenience.
Solution Approach 2:
The system changes the parameter of explanation delivery from static pre-written explanations for each exercise to dynamic retrieval and adaptation of example problem explanations. The explanation display unit adapts the displayed content based on the similarity match between the user's exercise and stored example problems, reducing data volume while maintaining ease of operation.
3Reliability
If step-by-step explanations are provided for solved problems, then learning effectiveness is improved, but the system cannot help with unsolved problems
Solution Approach 1:
The similarity judging unit continuously compares user exercises with stored example problems and provides feedback by highlighting corresponding portions. This feedback mechanism enables the system to adapt to unsolved problems by finding similar example problems and guiding users through the correspondence, extending learning effectiveness to problem types beyond the original example set.
Solution Approach 2:
The system transitions from static pre-written explanations to dynamic retrieval and adaptation. The explanation display unit dynamically determines which example problem to display and which portions to highlight based on real-time similarity assessment, enabling the system to provide relevant learning support for a wider variety of problems while maintaining learning effectiveness.
Data Source
AI summary
Provided is a learning support device that supports a user to solve a problem for which an explanation is not stored by referring to an explanation stored for another problem. A student terminal includes a storage unit in which example problems each including a problem and an explanation and exercises are stored; an input unit which designates any one of the exercises as a designated exercise based on a user's operation; a CPU which detects, from the example problems stored in the storage unit, an example problem having a problem similar to the designated exercise as a reference example problem; and a display unit which displays an explanation for the reference example problem and displays a portion in the explanation that corresponds to a difference portion between the problem of the reference example problem and the designated exercise in a discriminative manner.