“…Product Characteristics Assessment Instruments to Measure Students' High Order Thinking Abilities High Order Thinking Skills are abilities that occur when someone takes new information and information that has been stored in his memory, then combined so that they are interconnected to achieve a goal or find answers in confusing situations (Kartimi & Liliasari, 2012;Lewis & Smith, 1993;Putra, Prayitno, & Maridi, 2018;Sutarto, Indrawati, Prihatin, & Dwi, 2018;Yusrizal, Suliyanah, & Basri, 2017). Successful application of high order thinking skills occurs when students successfully explain, decide, demonstrate, and produce problem solving in the context of knowledge and experience (Wenno, 2008).…”