Communicative Language Teaching, Grammar Translation Method,
Self-Confidence, English Vocabulary Mastery.
E. This study aims to determine the influence of perceptions of the implementation
of Teaching Methods and Self-Confidence on English vocabulary mastery (A
Survey at Private Junior High Schools in Bogor Regency). The sample size in this
study was 90 students drawn from a total accessible population of 870 students
using the simple random sampling technique. This study employed a quantitative
approach with a survey method and correlational (regression) analysis. Data
collection was conducted through a multiple-choice objective test instrument for
the English Vocabulary Mastery variable, and a Likert-scale questionnaire
instrument for the variables of perception of the teaching method and self
confidence level. The data analysis techniques used included descriptive statistical
analysis, analysis prerequisite tests (normality test, linearity test, multicollinearity
test, and heteroscedasticity test), and hypothesis testing using simple linear
regression analysis and multiple linear regression analysis. The results of the study
showed that: 1) There is a simultaneous and significant influence of perceptions of
teaching methods and the level of self-confidence on the English vocabulary
mastery of private junior high school students in Bogor Regency; 2) There is a
positive and significant influence of perception of Teaching Methods on students'
English vocabulary mastery; 4) There is a positive and significant influence of the
level of self-confidence on students' English vocabulary mastery