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The research aims at revealing the performance of teachers in science learning management integrated with character education. This study employed qualitative research method. Based on the result of the t-test of the correlation coefficient, this study obtained t value 4,210 with significance 0,001. The significance value 0,001 < 0,05 showed that there is influence from teachers’ performance in arranging learning media integrated with character education to the teachers’ performance in science learning. The conclusion of research stated that the performance of science teachers in junior high schools in Semarang City in integrating character education is categorized into a very good category with average score 85,05.

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The purpose of this research was to describe the positions and causes of students' errors in algebraic thinking based on the cognitive style. This study was qualitative research with subject consisting of twelve students. The results showed that (1) students with Field Independent type tended to make errors at the stage of comprehension, transformation, and process skills while students with Field Dependent type tended to make errors at the stage of comprehension, transformation, process skills, and encoding; and (2) the causes of errors were the students' incomprehension that related to the purpose of the problem, the lack of understanding that related to mathematical modelling, the lack of students' accuracy, the students' inaccuracy of using knowledge to convert an equations to the equivalent equation, student's inability to calculate the solution of an equations, students deviated from the formula that they used before and the students' incomprehension that related to the unit of measurement in mathematics.

Pemanfaatan sistem informasi sebagai penopang organisasi tidak dapat dipungkiri lagi, dimana setiap bagian dari organisasi diharapkan mampu memberikan pelayanan yang cepat dan akurat kepada setiap end user. Salah satu bentuk layanan sistem informasi tersebut adalah Expertise Management System (EMS). EMS dikembangkan di Universitas Negeri Semarang (UNNES) memiliki kemampuan untuk menyajikan data tentang pakar-pakar yang telah dimiliki UNNES kepada end user. Desain EMS melalui tahap prototype (analisis, perancangan, desain sistem, DFD, ERD, dan desain skema database), pemrograman, pengujian dan pemeliharaan. Melalui EMS ini pula, UNNES dapat menawarkan pakar-pakarnya untuk berkolaborasi dalam penelitian maupun kegiatan lainnya, sehingga dengan sendirinya akan memperkuat posisi UNNES di dalam persaingan tingkat regional maupun global.