The Development of an Instrument for Testing the Ability to Think Creatively on Ecosystem’s Material
Keywords:Creative thingking, ecosystem's material, instrument development
The ability to think creatively is the main goal of science and education, because graduetes who are able to think creatively will contribute positively to themselves, the social worl, technology and economy, they will face life in the 21st century. The ability to think creatively has become a goal in the 2013 curriculum. This research is aimed to develop an instrument for testing the ability to think creatively on the ecosystem’s material. The research used developmental research as the research design and formative evaluation as the method by Tessmer (1994). The instrument development is focused on three stages. There are preliminary, self-evaluation, prototyping (expert review, one to one, small group) and field test. The developed test instruments were essay on the ecosystem’s material with the 24 questions and it arranged based on the indicators by William, which has fluency, flexibility, originality, and elaboration. Based on the research, there are 16 valid questions have represented 12 indicators of creative thinking. So that, the final steps of the test used 15 questions of creative thinking that have been valid with one question not used because of the obstacles during the process of filling the question. The finding has shown that the developed instrument meets the requirements of a good test that are valid and reliable. 15 questions that were tested in the field test showed the results of 15 valid questions with a percentage of 100%. The reliability test was used Cronbach Alpha so that the value of r11 was 0,753 (high). It can be concluded this research resulted in a suitable test instrument to be used with a total of 15 essay questions.