In this globalization era that characterized by science and technology and theopening of the free market requires mastery of soft skills’ support. Collaborative skill is oneof the essential soft skills for students so that they can cooperate in a team to achieve goalsand competition. NHT as one part of a clump of cooperative learning is deemed able to leadthe learners to develop the skills of working together. The purpose of this study determinesthe effectiveness of the NHT to develop cooperation skills. This research uses experimentaldesign with the subject is a fourth-grade students in the district Candisari Semarang. Theresults showed that the NHT is more effective than conventional cooperate in developing theskills of students in top schools and regular. The p-value of the learning model factor = 0.00;factor type of school = 0,003; and the interaction between them 0.25 so it concluded that thelearning model and the type of school effect on students’ collaboration skills. Further testresults of t tests showed that one-on-one skills of students in the learning NHT cooperatebetter than conventional.
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