D. Research Questions and Hypothesis
Based on the objective of the study, the following research questions can be built:
1: Is there a significant difference in vocabulary competence between the method of using songs in YouTube and the
traditional method of teaching?
2: Is there a significant difference in vocabulary competence between pretest and posttest mean scores for those who
undergo the traditional method of teaching?
3: Is there a significant difference in vocabulary competence between pretest and posttest mean scores for those who
undergo the method of using songs in YouTube?
Accordingly, from the above questions, the following null hypothesis can be derived:
H01: There is no significant difference in vocabulary competence between the method of using songs in YouTube
and the traditional method of teaching.
H02: There is no significant difference in vocabulary competence between pretest and posttest mean scores for those
who undergo the traditional method of teaching.
H03: There is no significant difference in vocabulary competence between pretest and posttest mean scores for those
who undergo the method of using songs in YouTube.