JOAN ONYINYECHUKWU UGBOGU

This study aimed at examining the effect of mother tongue Interference on the phonetics of Junior Secondary School Students, comprises of four research questions. The purpose of this study is to look into the influence of the mother tongue in the phonetics of students, in their pronounciation of vowel sounds, pronunciation of consonant sounds, intonations and stress pattern. In the course of this study, the survey research design was adopted. The population of the study consists of 6154 students with a sample size of one hundred and twenty students and ten teachers. A structured questionnaire was used as the instrument for data collection. Data from the questionnaire were presented in tables and were analyzed using simple percentages. The findings of this study revealed that the mother tongue interference influence phonetics of Junior Secondary School Students in their pronounciation of vowel sounds, pronounciation of vowel sounds, pronunciation of consonant sounds, intonations and stress pattern and also their academic performances.