Congratulations for Adi Setiawan, a Statistics Study Program student 2018 who took the thesis exam for the first time with the examiner Mrs. Prof. Dr. Dhoriva Urwatul Wutsqa, M.S. and Mrs. Kismiantini, S.Si., M.Si., Ph.D. The undergraduate thesis exam will be held on Friday 11 February 2022 at 07:30-09:30 WIB online via Zoom. Adi's undergraduate thesis entitled "The Functionality of Differential Items of National Examination Equipment by Region" with the supervisor Prof. Dr. Heri Retnawati, S.Pd., M.Pd. In his undergraduate thesis, Adi analyzes and identifies items on the Junior High School Mathematics National Examination which contain differential item functioning (DIF) using the Likelihood Ratio Test (LRT) method, Raju's area measurement, and Lord.