The aims of this research were (1) to find out the categories of feedback which were used
by the teacher in giving input to the students (2) to know the improvement of students’ writing
(3) to reveal whether there was a correlation between teacher’s feedback and students’ writing
quality or not, at the eight grade students of SMP Negeri 1 Purwokerto in academic year
2011/2012. The population of this research was the eight grade students of SMP Negeri 1
Purwokerto. The population of this sample was 120 students. The sample was 25 % of the whole
population or 30 students. The research was carried out on 12th and 18th January 2012 at SMP
Negeri 1 Purwokerto. This was a descriptive research. Observation, questionnaire and
documentary were used as the instruments to collect the data. In calculating the data, the
researcher used product moment correlation.
The result of the research showed that the categories of feedback which were used by the
teacher in giving input to the students were two categories; feedback on content and on form.
The improvement of the students’ writing was significant. Meanwhile, the correlation between
teacher’s feedback and students’ writing quality correlated. It could be seen from the result of the
data in which rxy = 0,681. Whereas, the value of r-table for n = 30 was 0,361. It meant that the rvalue
was higher than r-table (0,681>0,361). Thus, there was a significant correlation between
teacher’s feedback and students’ writing quality at the eight grade students of SMP Negeri 1
Purwokerto in academic year 2011/2012.