ResearchTasksQuestion Difficulty EstimationQuestion Difficulty EstimationFollowBenchmarksDatasetSOTA methodSortMost resultsRecently updatedMost papersApplyDatasetSOTA methodMetricTrendResultsLast updatedNAEP Grade 12Word2Vec + RF0.3Spearman Correlation3Feb 26, 2026NAEP Grade 8BERT0.03Spearman Correlation3Feb 26, 2026NAEP Grade 4Word2Vec + RF0.36Spearman Corr3Feb 26, 2026