The research was intended for analyzing the effectiveness of Higher Order Thinking Skills (HOTS) assessment towards critical thinking skills of high school students in Mathematics lesson. The subjects of this study were students XII-IPA class, SMA Negeri 8 Denpasar, the academic in 2017/2018. Sample selection in this study was applied random sampling technique. The research design used was post-test only control group design. The critical thinking of the student's skill was obtained through tests using HOTS assessment. The data were obtained and analyzed using ttest (2-tailed). The analysis results were to show that HOTS assessment could improve student's critical thinking skills in mathematics lesson effectively. Widana, I., Parwata, I., Parmithi, N., Jayantika, I., Sukendra, K., & Sumandya, I. (2018 (NEA, 2012). The competencies were expressed in 4Cs: (1) Critical thinking and problem-solving. It is included reasoning ability, thinking, making good evaluation and decisions, and solving problems. (2) Communication defines an oral ability, written, and non-verbal communication in various forms, context, and technology; deciphering meaning and aiming; and communicate in diverse environments. (3) Collaboration defines workability in a diverse, flexible, willing to achieve common goals, gather responsibility for collaborative work, and respect for the individual contributions of the team members. (4) Creativity and innovation define a creative ability of the new idea and useful; describe, revise, analyze, and evaluate ideas to improve and maximize problem-solving efforts. KeywordsIn order to achieve the essential competencies that are needed in the 21 st century. Three main components must be implemented comprehensively. (1) The more adaptive curriculum. The curriculum content development can inspire thinking and skills related to the time's challenges. (2) The more participatory learning model, the development of learning models directed to develop collaborative, interactive, creative, and innovative skills; and (3) the more meaningful assessment, namely the development of Contextual Assessment model and the demand for Higher Order Thinking Skill (HOTS). These three components should be run simultaneously and integrated (Andrew and Willingham, 2009).Richard Paul & Linda Elder (2006) defines Critical thinking as art for improving thinking skills in analyzing and evaluating specific problem-solving. A well-trained critical thinker has the ability to (1) formulating key questions and issues, formulating the problem clearly and precisely. (2) collecting and assessing relevant information, using abstract ideas to interpret them effectively. (3) resulting in a logical conclusion and be able to test it using certain criteria and standards. (4) Open minding in alternative thought systems, to recognize and assess, as needed, its assumptions, implications and practical consequences. (5) communicating effectively with others to find problems solutions.The critical thinking skill in included: (1) problem analysis, c...

This study aims to: 1) provide knowledge and understanding to the teachers about the concept and characteristics of the HOTS (Higher Order Thinking Skills) assessment extensively and deep; and 2) improve the skills of the teachers to develop HOTS assessment. To achieve Reviews These objectives, the research literature sourced from journals, reference books, modules, Internet, and other sources such as the print and electronic media that are relevant to the topic HOTS development assessment. Data collected by documentation and observation techniques. The research of data were Analyzed using descriptive exploratory methods. The results of the data analysis are as follows: 1) HOTS assessments are questions or tasks that have Reviews These characteristics: to assess students abilities to analyze, Evaluate, and create based on contextual issues, and are not routine (not familiar); 2) steps compose HOTS items are: a) analyze the KD that can be created HOTS items, b) arrange the blueprint of HOTS items, c) write down the items on the card matter, d) Determine the answer key (multiple choice questions form) or arrange rubric / scoring guidelines (essay form), e) perform qualitative analysis, and f) perform quantitative analysis; 3) the advantage of HOTS assessments are: a) Increase the stundents motivation to learn and b) improve learning outcomes. and f) perform quantitative analysis; 3) the advantage of HOTS assessments are: a) Increase the stundents motivation to learn and b) improve learning outcomes. and f) perform quantitative analysis; 3) the advantage of HOTS assessments are: a) Increase the stundents motivation to learn and b) improve learning outcomes.

This study aims to: 1) provide knowledge and understanding to the teachers about the concept and characteristics of the HOTS (Higher Order Thinking Skills) assessment extensively and deep; and 2) improve the skills of the teachers to develop HOTS assessment. To achieve Reviews These objectives, the research literature sourced from journals, reference books, modules, Internet, and other sources such as the print and electronic media that are relevant to the topic HOTS development assessment. Data collected by documentation and observation techniques. The research of data were Analyzed using descriptive exploratory methods. The results of the data analysis are as follows: 1) HOTS assessments are questions or tasks that have Reviews These characteristics: to assess students abilities to analyze, Evaluate, and create based on contextual issues, and are not routine (not familiar); 2) steps compose HOTS items are: a) analyze the KD that can be created HOTS items, b) arrange the blueprint of HOTS items, c) write down the items on the card matter, d) Determine the answer key (multiple choice questions form) or arrange rubric / scoring guidelines (essay form), e) perform qualitative analysis, and f) perform quantitative analysis; 3) the advantage of HOTS assessments are: a) Increase the stundents motivation to learn and b) improve learning outcomes. and f) perform quantitative analysis; 3) the advantage of HOTS assessments are: a) Increase the stundents motivation to learn and b) improve learning outcomes. and f) perform quantitative analysis; 3) the advantage of HOTS assessments are: a) Increase the stundents motivation to learn and b) improve learning outcomes.

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¬Creative thinking is one of the competencies needed in the Industrial Revolution 4.0, where change is very dynamic, so it must be balanced with an irregular way of thinking. This study analyzes the effect of the project-based learning models on the STEM approach to creative thinking skills and mathematics learning outcomes. The population was grade VII students of SMP PGRI 6 Denpasar in the 2019/2020 school year. The sample of the experimental class and the control class used the random sampling technique. The experimental class was given treatment with a project-based learning model based on the STEM approach, while the control group used a conventional project-based learning model. Data on creative thinking skills were collected using a questionnaire, and data on mathematics learning outcomes were collected using essay tests. Data were analyzed using the Manova test. The results of the study: there is an effect of the STEM approach-based project-based learning model on creative thinking skills; there is an effect of project-based learning model based on STEM approach on mathematics learning outcomes; there is an effect of the project-based learning model based on the STEM approach together on creative thinking skills and mathematics learning outcomes.