Higher order thinking skills (HOTS) is one of important aspects in education. Students with high level of higher order thinking skills tend to be more successful. However, do this phenomenon also happen in the learning of Mathematics? To answer this question, this research aims to study the relationship between HOTS and students' academic performance in Mathematics instruction. The research is conducted by occupying correlation research method on 41 students of mathematics education in university of Papua who had already completed 120 credits. The instrument in a test format for HOTS measurement has two main indicators; the critical thinking skill and creative thinking skill. Students are selected as research subjects, and are asked to do 9 questions of HOTS test in 60 minutes. The holistic rubric is used to assess the higher order thinking skills of students. The results of research show that these two variables have a high value of correlation (r = 0.814) and the regression equation is grade point average = 2,105 + 0,017 HOTS. Both of statistics show that there is a significant relationship between HOTS and students' academic achievement.

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This research was motivated by the low learning outcomes of chemistry in class XII Social 4 Senior High School 27 Central Jakarta. In accordance with the 2013 curriculum structure the school established chemistry as a cross-interest subject. Chemistry becomes a difficult subject because it involves skills and reasoning in learning it. To overcome the low learning outcomes across the interests of chemistry, this study establishes the aim is to find out: (1) whether the application of diagnostic assessments can improve student learning outcomes in cross-interest subjects in senior high school; and (2) how to carry out diagnostic assessments in improving student learning outcomes in these subjects. The references used in this classroom action research were the action research of the Zubert Skerritt Ortrun model. The data needed in this study are the results of the initial ability test, the results of the tests at the end of the subject matter; observation of student attitudes in learning, as well as observations of the implementation of learning. The use of diagnostic assessment in chemistry learning can improve student mastery learning from 16.7% to 66.7% in the first cycle, and from 47.2% to 86.1% in the second cycle, and from 63.9% to 91.7 % in cycle III. Diagnostic assessment based on learning material that is difficult for students is found in cycle I (redox), cycle II (electrolysis), and in cycle III (Faraday's law and corrosion) successively is a redox solution with oxidation number, metal analysis that can react, and corrosion sequence analysis that occurs in an experiment. All three are at the cognitive level 3 (reasoning).

Abstract

Based on a literature review from various article sources, the results of this study are supported by previous research on academic supervision of teacher performance to Realize Student Learning Achievement. This study uses a document study based on the results of previous research. Searching journals gathered data. Thirty journals were chosen for meta-analysis from the search results. The problem in this study relates to the effectiveness of the supervision program carried out by school supervisors and is formulated as: "How is supervision carried out by school supervisors?" Furthermore, how is the performance-based learning model applied by the teacher to students? The results related to supervision actions carried out by programmed, structured school supervisors paying attention to partner schools' vision, mission, goals and regulations, including academic supervision, carried out by applying individual and group techniques. The results of the evaluation of the supervision program obtained varied, ranging from low, medium, and very good.