Answer distribution
1.1.2019-9.11.2019Year 2020Year 2019Year 2018Year 2017Year 2016Year 2015Year 2014Year 2013Year 2012
152.071.859.353.557.900000
234.325.627.936.535.600000
33.92.63.63.52.800000
45.90.05.02.92.300000
52.00.02.12.40.500000

Choices for answers

  1. Never (value when calculating levels: -2.0)
  2. In some lessons (value when calculating levels: -1.0)
  3. In about half of lessons (value when calculating levels: 0.0)
  4. In most of lessons (value when calculating levels: 1.0)
  5. In almost every lesson (value when calculating levels: 2.0)