Lettre discrimination

Lettre discrimination Source google image: https://i1.rgstatic.net/publication/328324728_Impact_of_simple_substitution_methods_for_missing_data_on_Classical_test_theory_difficulty_and_discrimination/links/5bc68ec192851cae21a86568/largepreview.png

Discri

Discri Source google image: https://www.researchgate.net/profile/Herbert_Jelinek2/publication/303027742/figure/tbl2/AS:667889203953668@1536248603075/Examples-of-GP-features-in-the-DiScRi.png