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a. Mutual Trust Portfolio is two ways assessment among the teacher and the students
and also among fellow students. In this case, the teacher and the students must have a trust. The teacher has to create conducive learning
activities and good assessment so that the students easily show their ability as the teacher wants.
b. Confidentiality Students „evidence have to be kept in an order archive. It has not to be
shown to the other students before their performance. This point is purposed who get low score instead of the weaknesses to the other.
c. Joint Ownership It means all students work and document is belong to students and
teacher. So that it have to be saved in one place properly. d. Satisfaction
All documents in order to reach competence standard, basic competence, and indicator should satisfy all components, teacher, parents, and
students. e. Relevance
The document in portfolio file is relevance with the competence standard, basic competence and indicators.
In addition, Supranata stated three principles in portfolio assessment, creating conducive teaching, reflecting, and optimality process and result.
And the students are given an opportunity to reflect their work together in order to comprehend their selves and to overcome their learning problems.
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5. Purposes and Functions
The first step in planning portfolio assessment for classroom is determining the purpose of the assessment. The items that go into a portfolio,
the criteria used to judge the items, and the frequency with which items are
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Dr. Sumarna Supranata and Dr. Muhammad Hatta, Penilaian Portfolio: Implementasi Kurikulum 2004, ......, p. 121.
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added to or deleted from the portfolio all depend on the portfolio’s purpose.
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The purpose should be specific, but not too narrow. In this case, because the students have difficulties on understanding
Past Continuous Tense, the main purpose of portfolio assessment is to formative assessment. Students will be given some assignments to overcome
their problems in Past Continuous Tense. This assessment technique can help students develop their learning achievement.
Meanwhile, the purpose of portfolio assessment technique in the class is described as follow:
1. to develop their achievement in Past Continuous Tense 2. improve their comprehension about Past Continuous Tense
3. to motivate the students by using new assessment model Students’ assessment portfolio promotes positive student involvement.
Portfolio can be a continuous assessment so that teacher and parents have a chance to know students’ development. Portfolios offer the teacher and
student an in-depth knowledge of the student as a learner. This means that the teacher can individualize instruction for the student. Weak areas can be
strengthened and areas of mastery built upon. Learners are involved in this process of tracking their learning and can take control of their learning.
Portfolios included students skills and competencies in formal and non formal settings as well as their informal learning. Students can evaluate their
own learning and therefore, are better prepared to pursue their future career goals. There are some functions of portfolio assessment seen in many sides,
such as: 1. Using portfolio introduces students to a new evaluation format with
which they may need. 2. Using assessment portfolio gives the teacher opportunities to involve
parents in their learning. Parental involvement is an important factor in education success.
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Peter W. Airasian and Michael K. Russell, Classroom Assessment: Concept and Aplication, ....., sixth edition, p. 235
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3. Using portfolio assessment gives information to student to do self- assessment. It means student has a chance to know hisher
development. 4. Portfolio as an authentic assessment.
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6. Procedure and Method of Scoring