28 journals, meeting minutes, logs, announcements, policy statements, newspaper,
transcripts, and birth certificates p. 344. This research later provided an explanation of errors which were found in
Exploring Jogja volume I in October 2013 and Exploring Jogja volume II in
December 2013 published by the Yogyakarta Tourism Authority. In order to find the errors, the researcher collected the data from those magazines. Then, the
researcher analyzed each data to find the errors and classified the data correctly. The results of the classification would be used to solve the first research
p roblem “Which types of subject-verb agreement and passive voice errors are
found in Exploring Jogja Magazine I and II ?” Moreover, this study provided an
explanation of how errors come about. This description concerned second research problem “What are the causes of subject-verb agreement and passive
voice errors?”
B. Data Source
Exploring Jogja I in October 2013 and Exploring Jogja II in December
2013 were magazines published by the Yogyakarta Tourism Authority. Those magazines are available for the tourism in Yogyakarta. The aim of this
magazine is to inform the information such as the culinary, the latest news in Yogyakarta, the Yogyakarta city map, nature, culture and heritage information
to the foreigners. Additionally, those magazines were written in English. In detail, the researcher divided the data into 5 categories of cover page 2,
29 editorial 4, advertorial 6, news 15, and opinion 13. The data would be
provided in appendix C page 68-71.
C. Instruments and Data Gathering Technique
In order to get the preferable data, there were two instruments employed in conducting the research. Human instrument and documents were used in this
research. The first instrument was a human instrument. As Creswell 2007 explains one of the characteristic of qualitative research was the researcher as a
key instrument. In this study, the researcher was the one who gathered the data of the research.
The second instrument was the documents. The documents were in the forms of Exploring Jogja I in October 2013 and Exploring Jogja II in December
2013 published by Yogyakarta Tourism Authority. In the data gathering technique, the researcher collected two magazines of Exploring Jogja volume I
and II published by Jogja Tourism Authority. Then, the researcher counted and analyzed the data in the form of clause; it was used in order to make the data of
research valid. The researcher used tally-method in counting the data. Tally method is the convenient and efficient way to sort the data into the classes. It
provides an alternative method to reordering data Taylor, 2015. As the result, there were 943 clauses found in Exploring Jogja Magazine I
and II with 135 errors of subject-verb agreement and passive voice. Next, the researcher categorized the data ofsubject-verb agreement, and the passive
30 voiceerrors based on four types of errors proposed by Dulay et al.1982, which
are omission, addition, misformation, and misordering.
D. Data Analysis Technique
