Exploring the Relationship Between Feature Attribution Methods and Model Performance
Project Overview
The document examines the integration of generative AI and machine learning in education, particularly their applications in predicting student success and dropout rates, as well as enhancing assessment and feedback mechanisms. It stresses the significance of model explainability, which is essential for educators to comprehend the factors driving predictions about student performance. Various approaches to generating explanations for AI model predictions are discussed, including the challenges of the 'disagreement problem' in feature attribution methods. Furthermore, the document highlights that while generative AI can facilitate personalized grading and feedback, its implementation faces hurdles such as data privacy concerns and the necessity for transparency in AI systems. Overall, the findings suggest that leveraging these advanced technologies can lead to improved educational outcomes, but careful consideration of ethical implications and the effectiveness of different explanatory techniques is crucial for their successful adoption in educational settings.
Key Applications
Predictive modeling for student success and dropout risk
Context: Higher education, including both university settings and online courses, utilizing datasets from various educational platforms to monitor and predict student performance and retention.
Implementation: Employed machine learning techniques, including neural networks, deep learning classifiers, and gradient-boosted trees, to analyze student data and interaction logs. These models predict academic outcomes, including grades and dropout risks, enabling targeted interventions for at-risk students.
Outcomes: ['Identified students at risk of failure and dropout, leading to proactive educational interventions.', 'Enhanced understanding of model predictions to inform teaching strategies.', 'Improved retention rates through timely support for struggling students.']
Challenges: ['Data privacy concerns related to student information.', 'Difficulty in interpreting predictions due to the black-box nature of some models.', 'Data integration from various sources and ensuring data accuracy.']
Automatic grading and feedback on textual student responses
Context: Higher education, particularly in large courses where timely grading and feedback are essential to student learning.
Implementation: Utilized text mining and machine learning methods to automatically grade student responses and provide feedback on textual answers, enhancing the efficiency of the grading process.
Outcomes: ['Improved grading efficiency and consistency.', 'Provided timely and constructive feedback to students.', 'Reduced the grading burden on instructors.']
Challenges: ['Accuracy of grading may vary based on the complexity of responses.', 'The requirement for extensive training data and potential biases in the model.']
Implementation Barriers
Technical Barrier
The black-box nature of machine learning models makes them difficult to interpret, leading to challenges in understanding how decisions are made. Additionally, there is a need for transparency in AI models to gain trust from educators and students.
Proposed Solutions: Adoption of explainable AI techniques and frameworks to enhance transparency in predictions and develop explainable AI frameworks that clarify how decisions are made.
Research Barrier
The disagreement problem between different explanation methods can undermine the trustworthiness of insights derived from models.
Proposed Solutions: Further research into the consistency of explanation methods and their reliability in educational contexts.
Data Privacy
Concerns regarding the collection and use of sensitive student data.
Proposed Solutions: Implementing robust data protection policies and obtaining informed consent from students.
Bias in AI
Risk of bias in AI models affecting grading and feedback.
Proposed Solutions: Regular audits of AI systems and incorporating diverse training datasets.
Project Team
Priscylla Silva
Researcher
Claudio T. Silva
Researcher
Luis Gustavo Nonato
Researcher
Contact Information
For information about the paper, please contact the authors.
Authors: Priscylla Silva, Claudio T. Silva, Luis Gustavo Nonato
Source Publication: View Original PaperLink opens in a new window
Project Contact: Dr. Jianhua Yang
LLM Model Version: gpt-4o-mini-2024-07-18
Analysis Provider: Openai