Objective of the Study

digilib.uinsby.ac.id digilib.uinsby.ac.id digilib.uinsby.ac.id digilib.uinsby.ac.id digilib.uinsby.ac.id goal is to prepare students living in the real life. After graduating from school, students do not only deal with the problems that they are familiar with, but also deal with the unfamiliar problems that need a solution. To be successful in life, prioritizing, decision making, strategizing and collaborative problem solving is needed. 42 Moreover, the problem of life is more complicated because it deals not only with the book or formula but also with the society, law and tradition. Thus, it needs more than remembering all good solution from books or only understanding the problem, but it needs a creative solution that has been analyzed and reformulated. In the school, when the teachers only teach the knowledge, students cannot deal with a complicated problem. To solve a problem, decision and action are needed. Students need to use the knowledge and apply it that is helped by their good thinking skills. 43 Knowledge or information is used as the basic thing to think. 44 The more complicated is the matter, the way of thinking is higher. The thinking activities that are believed represent higher order thinking s kills are analysis, evaluation, problem solving and decision making. By teaching thinking skills, students are expected to be a good decision maker and problem solver. Higher order thinking skills need to be taught to students in order to enhance the quality of education. After reviewing a little bit about the importance of higher order thinking skills, here is more discussion about what higher order thinking skills is.

a. Definition of Higher Order Thinking Skills

As the educational goal, higher order thinking skills need to be introduced to the students in order to prepare them facing the real problem. Many experts defined higher order thinking skills in many kinds of definitions. Krulik and Rudnick stated that there is four 42 Bhawani Prasad Mainali. “Higher Order Thinking In Education”. Academic Voices; A Multipedisciplinary Journal. Vol. 2 No. 1, 2012, 5. 43 Edward de Bono. Teaching Thinking. USA: Penguin Books, 1976, 35. 44 Ibid, 33.