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1 Universitas Muhammadiyah Tangerang, 2 Universitas Muhammadiyah Tangerang, 3 Universitas Muhammadiyah Tangerang, 4 Universitas Muhammadiyah Tangerang
Assessment is the most important thing in the learning process. In the 2013 Curriculum, orders must be authentic. Authentic assessment is a comprehensive cost which must consist of three domains, namely knowledge, attitudes and skills, teachers still experience difficulties in assessing food scales. instrument so that the assessment is more appropriate. To overcome this problem, research and development of instruments from scientific attitudes to learning with research training models in elementary schools through the Design Based Research (DBR) method which consists of four stages. The basic scientific instruments are developed for solutions and can be used as a basis for teachers in examining scientific attitudes, so that scientific attitudes are developed according to Harlen and scientific attitudes in the 2013 Curriculum. Data is obtained through interviews, observation and documentation study. The subject of research data sources were observers, students of SDN Rawa Kidang, students of SDN 2 Rawa Kidang, and one practitioner. The trial was carried out twice in two lessons. The results of research, scientific decisions developed are valid, reliable, and practical. Validity is indicated by the results of expert validation, then reliability is indicated by the identities of the scores given by observers to students. In the first trial there were 3 rubrics that had to be revised because the proportion of equality was <75%. In the second trial, all the criteria were eligible for use because the proportion of the proportion was> 75%.
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