ABSTRACT
This study is designed to examine the effect of mother tongue on the written composition of student in Senior Secondary School. The study investigated if mother tongue is solely the cause of the students’ woeful performance in written composition in senior secondary schools.
The subjects for the study were one hundred male and female students drawn from various schools in Yewa North Local Government. Using simple percentage descriptive statistic, the research questions raised were analysed. The finding reveals that mother tongue influences the students’ written composition in English language in senior secondary school.