Development of three-tier test to diagnostic students misconception on chemical equilibrium
Wiwi Siswaningsih

Departemen Pendidikan Kimia, FPMIPA UPI.

Abstract

The aim of this study was to develop the three-tier multiple choice diagnostic test that was
conform with criteria of content validity and reliability to identification students misconception about chemical equilibrium. The method of this study was development and validation methods. Test was developed in the form of three tier, the first tier Consist of three possible answers, the second tier Consist of six possible reasons and the third tier Consist of two certainty of respons index. Fourteen items was developed in this study. Based on the value of content validity ratio (CVR), all items were valid. The value of reliability of items were developed is 0.759, it means that items were acceptable. The respondents of this study were 5 validators who are lecturers from Departement of Chemistry Education and 35 senior high school students who was learned subject chemical equilibrium. Based on analysis of students answer were based on a determination key could be found students misconceptions that on dynamic equilibrium, concentration of reactant and product are same as common misconception in the student (57.1%).

Keywords: chemical equilibrium, misconception, multiple choice and three tier diagnostic test.

Topic: Chemistry Education