40 pinpoint the errors found on students’ descriptive texts. The researcher also
presented other findings besides morphological errors and syntax errors. Lexical errors described all errors that occurred in words. Lexical errors were divided into
two categories. They are lexico-semantic and orthographic errors. Besides linguistic category taxonomy, the researcher also employed types of error by
Dulay et al 1982 such as omission, addition, substitution and etc to clearly explain the errors in students’ descriptive texts.
G. Research Procedure
In research procedure, the researcher carried out this research in three main steps. They were research preparation, data gathering and data analysis.
1. Research Preparation
For the initial step of this research, the research came and met the headmaster of SMP Pangudi Luhur Yogyakarta. That meeting was arranged in the
even semester of academic year 20122013. On that meeting, the research permission and the detail explanation of this research were delivered to the
headmaster. The researcher continued the step of his research by getting an official letter from PBI and FKIP. That action was carried out after getting the
headmaster’s approval. The researcher also discussed the plan of his research with the teacher. It helped the researcher to have a proper time arrangement for
distributing worksheets. Therefore, the researcher could properly conduct his research in the arranged time. The researcher also delivered his research proposal
and students’ worksheets to the headmaster and the teacher. The researcher
41 convinced the headmaster that this research would provide feedback for the
teacher; therefore, the teacher could overcome the students’ error and attempt to
minimize the frequency of errors.
2. Data Gathering
In data gathering, the researcher proposed to obtain the data from 55 students’ worksheets three regular classes. The reason why the researcher
obtained the data from three regular classes was to provide feedback for the teacher; therefore, the teacher could know what happened exactly in three regular
classes. The data gathering was carried out on April 11
th
-20
th
, 2013 of the even
semester academic year 2012 2013. This data gathering was considered as a material enrichment of the descriptive text which had been taught in the first
semester. The researcher gave the material enrichment to the teacher and the researcher gave the liberty for the teacher to assign this material enrichment as
home work or class assignment. After the students were done with the material enrichment, then, the researcher compiled all the worksheets.
3. Data Analysis
