<![CDATA[Critical thinking is a high-level thinking skill needed for skill development in the 21st century. This research aims to find out whether the Mind Map-based Think Talk Write (TTW) cooperative learning model can improve the critical thinking skills of class VII students at one of the junior high schools in Kudus. Data obtained from observations and interviews. This type of research is Classroom Action Research (PTK) which is carried out in two cycles. The subjects consisted of 34 students of class VII F, data sources came from teachers and students and data collection techniques used observation, interviews and documentation. In pre-action, classical completeness was 14.7%, in cycle I 5.8% and in cycle II 85.29%. Meanwhile, for the value per aspect in cycle I, the elementary clarification aspect obtained the highest percentage with 54.7%, then the basic support aspect obtained 47.6%, the advanced clarification aspect 35.8%, inference 28.8%, and the percentage with the lowest value was in the strategies and tactics aspect it was 15.8%, while in cycle II the elementary clarification aspect obtained the highest percentage with 95.8%, then the basic support aspect obtained 94.4%, the advance clarification aspect 88.2%, inference 79.4% , and the percentage with the lowest score is in the strategies and tactics aspect, 76.4%. The application of this model can improve critical thinking skills by achieving classical completeness of more than 70% and obtaining grades per aspect, namely by achieving the target increase of 20% in cycle I and cycle II.]]>
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