Multirater Assessment to Teacher Professionalism based on Pedagogical Content Knowledge

Abstract

The Indonesian Government has performed teacher certification program since the establishment of the Teacher Law No. 14 year 2005 and PCK has been acknowledged as the indicator of science teachers' professionalism in some countries. Therefore, this research aims to explore teachers' PCK as a case study to 20 middle school science teachers with different teaching experiences in the special Region of Yogyakarta, Indonesia. This research was conducted in PCK planning and enacted PCK by collecting lesson plans, recorded the learning activities in the classroom, and structured interviews. The assessment to all research material was employed by 6 raters using PCK assessment rubric consisting of 12 items that was later analyzed with Many Facet Rasch Model. The analysis result informed that all items had good validity and reliability. This study found that only 15% of participants were classified as good teachers'PCK. In-depth analysis on the difficulty level item concluded that the teacher participant's PCK ability on the representation and conceptual teaching strategies aspects still needed to be improved.