extended · article · 2020

Developing Instrument of Essay Test to Measure the Problem-Solving Skill in Physics

A. Aristiawan; Edi Istiyono; Christine M. Fox

This research was developmental research with the final product is test instrument to measure the students’ physics problem-solving skills of the Senior High School. The problem-solving aspects measured contained of understanding the problem, organizing the knowledge, carrying out the plan, and evaluating the solution. This research used a modified Oriondo & Dallo-Antonio Development model that comprised of (1) planning test, (2) trying out the test, (3) determining the validity, and (4) determining the reliability. This research was done in the Senior High School in Sleman regency. The result of this research showed that there were two packages of test of which each package consisted of 12 questions included 4 anchor questions. The test was an essay test which the scoring used PCM model based on the five categories of Polytomous data. The item analysis of the test was done first t...