The aim of
the research is to find and analyze empirically the effects of grammar mastery
and self-esteem towards students’ speaking skill. This research used
quantitative approach and the method was survey. The research population was
the students of selected Private Vocational High Schools in East Jakarta and 73
samples were taken randomly. The hypotheses were tested using multiple
regression analysis. The research findings are : 1) There are significant
effects of grammar mastery and self-esteem towards students’ speaking skill.
That is proved by the value of Sig. = 0.000 < 0.05 and Fo= 25.662. 2) There
is a significant effect of grammar mastery towards students’ speaking skill.
That is proved by the value of Sig. = 0.000 < 0.05 and to= 3.788. 3) There
is a significant effect of self-esteem towards students’ speaking skill. That
is proved by the value of Sig. = 0.000 < 0.05 and to= 4.921.
Thesis Delis DNA
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