Impact of Medium of Instruction on Conceptual Understanding of Students of Secondary Level in the Subject of General Science

Abstract

The present study analyzed the impact of medium of instruction of teachers on conceptual understanding of students of secondary level in the subject of General Science. It was descriptive study. The scope of the study limited to secondary schools of Karachi. Four major research questions formulated. The strategy of research was mix method research. The population of the study comprised of students and General science teachers in secondary schools of Karachi. Stratified random sampling design was adopted. Pre test and post test were conducted for students. Questionnaires and interview protocols were developed for teachers' and experts respectively. Data was collected from 245 and analyzed qualitatively and quantitatively. This study resulted that concepts of the students are not cleared due to using second language as a medium in teaching General Science. Teachers may use mother tongue or national language or bilingual as a medium of instruction during teaching General Science to make the students conceptual and creative.