| | Study | Year | Predictive features | Accuracy |
| | [17] | 2015 | Gender, location, type of school, high school score, CGPA, number of credits, and results | 84.6% | | [39] | 2016 | Test mark, class and lab performance, attendance, assignment, study time, previous result, family education, living area, drug addiction, affair, social media, and final year results | 88% | | [18] | 2016 | Online quizzes, email communication, content creation, and content interaction | 98.3% | | [22] | 2018 | Grades, gender, nationality, place of birth, section ID, topic, raised hand, discussion, class in 1st and 2nd terms, attendance, and parent satisfaction | 85.4%, | | [23] | 2018 | Gender, attendance, results, economic status, and parental education | - | | [24] | 2019 | Gender, CGPA, English, Chinese, math, science, and proficiency test | 84.8% | | [25] | 2019 | Gender, content score, time spent, homework score, and attendance | 80.5% | | [46] | 2019 | CourseID, total of learning sessions, length of sessions, total of assessments of semester 1, grades, quizzes, and emails sent | 97.4% | | [26] | 2019 | Gender, nationality, place of birth, StageID, GradeID, SectionID, topic, semester, relation, raised hands, discussion, parent survey and satisfaction, and attendance | 73.5% | | [36] | 2020 | Gender, age, address location, parent job, travel time, study time, free time, failures, activities, health, and abstance | 64.40% | | [56] | 2021 | Gender, region, educational level, age range, neighborhood crime rate (IMD), number of times they have previously participated in the course, enrolled credits, disability, and the final exam result (passed/failed). In addition, the number of times the student has interacted with any of the online course contents has been counted throughout the courses | 78.20% | | [63] | 2020 | Gender, content score, time spent, number of entries to content, homework score, attendance, and archived courses | 80.47% | | [57] | 2021 | 123 variables | 82.10% (high)
70.89% (low) | | [58] | 2021 | 116 features for the production and 84 for the learning phase | 80.76% and 86.57% |
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