{
  "dataset": "OULAD (Open University Learning Analytics)",
  "source": "https://analyse.kmi.open.ac.uk/open_dataset",
  "doi": "10.1038/sdata.2017.171",
  "access": "FREE download (check DOI for current URL)",
  "scale": "32,593 students, 22 courses, ~174K assessment records",
  "tables": {
    "studentInfo.csv (32,593 rows)": {
      "id_student": "int",
      "gender": "str M/F",
      "region": "str UK",
      "highest_education": "str",
      "imd_band": "str (SES proxy)",
      "age_band": "str",
      "disability": "str Y/N",
      "final_result": "str"
    },
    "studentAssessment.csv (~174K rows) WARNING: ASSESSMENT-LEVEL NOT ITEM-LEVEL": {
      "id_assessment": "int",
      "id_student": "int",
      "score": "float 0-100 PER ENTIRE ASSESSMENT (not per question)",
      "date_submitted": "int"
    },
    "assessments.csv (~206 rows)": {
      "id_assessment": "int",
      "assessment_type": "TMA/CMA/Exam",
      "weight": "float %"
    }
  },
  "has_demographics": true,
  "has_item_responses": false,
  "limitation": "NO item-level responses. Assessment-level only. Cannot do item-level DIF."
}