Abstract :
The objective of this researcher is to know the students? errors and also the factors
caused students made errors faced by the eleventh grade students in using cohesive
device when writing descriptive essay. This research was conducted in SMPN 3
Sibulue. The researcher used descriptive writing essay with qualitative approach. The
population of this research was the eighth grade of SMPN 3 Sibulue. While total
samples was 7 students. Descriptive essay test and interview were the instruments of
this research in gathering data. The result of this research shows that the types of
errors are found of the eight students of SMPN 3 Sibulue in using cohesive device
were reference (they occur in the form of personal reference, demonstrative reference,
and comparative reference), substitution (It was occurred in the form of nominal), and
conjunction (they occur in additive conjunction, adversative conjunction, and
temporal conjunction). While the factors are found dominant caused by the eighth
students of SMPN 3 Sibulue are about students have not got clear understanding
about cohesive device when it used in writing essay especially descriptive essay.
From this research, the researcher suggests that the teacher should give more
exercises or practices about cohesive device.