{
  "post_test": [81.6, 101.2, 66.4, 96.2, 101.3, 108.9, 114.6, 111.7, 97.3, 96.5, 94.9, 104.8, 104.5, 108.3, 101.9, 100.1, 91.7, 92.5, 94.4, 101.3, 102.2, 100.6, 113.8, 114.3, 87.9, 105.6, 102.5, 93.6, 109.2, 111.2, 106.4, 110.6, 112.1, 113.3, 69.1, 77, 72.9, 94.4, 98, 82.4, 104.9, 102.4, 95.3, 89.5, 80, 96.9, 102.9, 68.9, 110.3, 98.9, 97.2, 97.2, 67.6, 103.9, 103.8, 93.4, 103.1, 101.2, 83.6, 103, 88.5, 97.8, 103.6, 105.8, 99.6, 104.8, 86, 85.3],
  "grade": [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2],
  "pre_test": [55.1, 73.1, 51.4, 62.3, 69.7, 70.9, 82.5, 83.9, 69.8, 69.2, 75.1, 68.2, 83.5, 71.7, 80.3, 76.6, 70.1, 60.9, 72.3, 78.6, 77.4, 71.8, 93, 97.7, 65.7, 80.4, 75.6, 68.4, 83.3, 93.7, 87.3, 95.2, 80.4, 85.4, 50.3, 63.3, 50.6, 66.4, 73.7, 46, 88.6, 78.4, 61.1, 68.9, 66.6, 67.5, 87.3, 40.8, 90, 81.3, 74.9, 72, 52.2, 81.2, 82, 73.8, 81.1, 78.8, 63.2, 77.6, 65.9, 68.9, 78.8, 88.4, 86.5, 89.5, 55.9, 52.6],
  "treatment": [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
  "N": 68
}