Abstract: This study aims to
develop assessment instruments in Indonesian version of Realistic Mathematics
Education (PMRI) with the topic special quadrilateral including the aspect of
validity, of practicality, and of the effectivity. The methodology that use in
this study is a developmental research. This form of research consists of self
evaluation and prototyping. The subject of this study is 32 students of the
first grade of SMPN 17 Palembang. Experts review, and documentary analysis were
used incollecting data. For evaluating process, observation sheet, learning
log, the use of student’s strategy and solution from the result of their
achievement. The collected data were analyzed using qualitative descriptive.
The findings show that assessment instruments in PMRI in the topic special
quadrilaterals could be categorized as valid, practical, and effective. The validity
is measured by using the aspects of contents, contruction, and language based
on assessment’s principles of PMRI. Based on the experts coments, the
assesement instruments developed can be practically in the teaching learning
process. According to the observer , the observation sheet and learning log
show that students are motivated to be individual or group in doing the
exercises. The effectivity is analyzed operationally that is to see student’s
ability when the instruments are trying out including the process and the
products. Students can argue either orally or writen.
Key words: Developing
research, instruments, assessment
Penulis: Tuti Rahayu, Purwoko
Purwoko, Zulkardi Zulkardi
Kode Jurnal: jpmatematikadd080006
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