SMA to measure higher order thinking skills. This study also aims to see the validity,
reliability, level of difficulty, and differentiation of items using the classical theory approach.
This study adapted the development model from Mardapi. The items developed were tested
on 114 students at one of High School in Makassar, South Sulawesi. The results show that
the items that have been developed have content validity with a coefficient of 0.860. Of the …