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According to Kementerian Pendidikan dan Kebudayaan 2014, portfolio assessment is an evaluation that is conducted by assessing all products in certain
subject and it is used to know the students’ interest, learning development,
achievement, and or creativity in certain time p. 50. This portfolio can be concluded as the measurement of the whole learning and teaching process on
certain subject or lesson. Suskie 2004 defines that a portfolio also shows how a student has grown as a learner. It is a richer record than test scores, rubrics, and
grades alone. This study, however, is using these two definitions because they are elaborating each other.
2. Exemplary Teachers
Exemplary in this term means extremely good and deserving to be admired and copied
“Exemplary”. The teachers have experienced the change of curricula from the beginning of their teaching professions. They have their own
mechanisms in implementing those curricula in their teaching and learning processes. They are autonomous in deciding their syllabi because they have
implemented teacher professionalism in their teaching processes. The teacher professionalism includes pedagogical competence, social competence, personal
competence and professional competence Undang-Undang No. 14 Tahun 2005 Pasal 10 Ayat 1. They do not feel that they are enforced by a system because
they find that the curriculum change is a part of an innovation in education. They have implemented Adult Learning Theory by Mezirow 2000 in their teaching
processes.
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The exemplary teachers also give the exemplary teachings. According to Silvestri 2015, there are 10 factors leading to exemplary teaching that made the
teachers become the exemplary teachers. Those factors are love for teaching and learning; respect for students; student-centered philosophy of teaching and
learning; motivation; knowledge and passion for subject area; organization and preparation; role models and mentors; related teaching experiences; continuous
improvement; and work ethic. Thus, this study defines the exemplary teachers as the teachers who have implemented 10 factors by Silvestri 2015,
professionalism based on UU No. 14 Tahun 2005, and Adult Learning Theory by Mezirow 2000 in their teaching processes.
