Abstrak  Kembali
The objective of this research is to investigate: (1) whether the combination of vocabulary mastery and content schemata are significantly related to reading comprehension; (2) whether there is a significant relationship between vocabulary mastery and reading comprehension while content schemata is held constant; (3) whether there is a significant relationship between content schemata and reading comprehension while vocabulary is held constant. The research was conducted at SMPN 125 Jakarta which is located at Jl. Utan Jati Pegadungan Kalideres Jakarta Barat from November 2013 to June 2014. The writer used two stages sampling technique. Two-stage random sampling is combination of cluster random sampling with individual random sampling. Therefore, 54 students out of 216 students of the eighth grade in academic year 2013/2014 were chosen. The method of the research was a correlational study. Two types of research instruments were used to collect the data. They were multiple-choice tests and questionnaire. Reading comprehension and vocabulary mastery were in the form of multiple choice questions. Multiplechoice tests were used to measure students’ reading comprehension and vocabulary mastery while questionnaire was used to measure the students’ content schemata. There were three kinds of data that had been collected, i.e. the scores of vocabulary mastery, the scores of content schemata and the scores of reading comprehension. Then the data were analyzed by multiple correlations and multiple regressions.