English class if it was compared with the other five classes. Both of the students’ active participation and their vocabulary achievement needed to be improved, so
the specific goals of this research were to improve the students’ vocabulary achievement and their active participation in class.
3.4. Operational Definitions of the Terms
The operational definitions of the key terms in this research are needed to avoid misunderstanding of the concepts used in the research between the
researcher and the readers. The terms that are needed to be defined are as follows.
3.4.1 Songs Songs in this research referred to the English songs that were appropriate
for the students of junior high school. The songs that the researcher used in this research were English kid songs entitled: “We’re Going to the Zoo” and “Family
Song” for the first cycle, meanwhile, “Body Parts” and “People Work” were used for the second cycle. These songs have simple rhythm and simple lyrics but have
big effect in learning vocabulary. The use of songs in this research was as media in teaching vocabulary to the students of class VII-A at SMP Negeri 11 Jember.
As media, the English songs could motivate and helped the students to learn vocabulary because they could get some new words while they were singing the
songs.
3.4.2 The Students’ Vocabulary Achievement The students’ vocabulary achievement in this research was manifested in
the result of vocabulary test covering nouns, verbs, adjectives, and adverbs. The vocabulary test was conducted after the students were taught vocabulary by using
English songs in each cycle. Thus, the test results were shown in the form of scores.
3.4.3 The Students’ Active Participation The students’ active participation in this research was in the form of the
students’ activities to take part in the teaching learning process of vocabulary by using English songs. The students’ participation were observed by the English
teacher using observation checklist covering five indicators as follows: 1. answering the teacher’s oral questions
2. classifying the words taken from the song lyric into nouns, verbs, adjectives or adverbs
3. singing the English song 4. doing the vocabulary exercises
5. participating to discuss the correct answers The students were categorized as active students if they fulfilled at least four
indicators out of five indicators above.
3.5. Data Collection Methods