There are five good fitting students with their infit and outfit mean square values close to one. They were considered as an ideal Rasch model response string (Bond and Fox, 2007) and included student M343MC, D083FM, N409FI, F128FC, and A001FC. Besides that, ten students were categorized as overfitting to the model and demonstrated Guttman pattern because their infit and outfit mean square were too low , for instance student M348MC with infit MNSQ 0.56 and outfit MNSQ 0.25; student F137MC with infit MNSQ 0.49 and outfit MNSQ 0.38; and student H208FC with infit MNSQ 0.39 and outfit MNSQ 0.32.