This research aims to determine differences learning result between students who were given direct corrective feedback with students who were given indirect corrective feedback on homework and determine direct corrective feedbacks effect on homework againts learning result in buffer learning grade XI SMA Negeri 1 Sungai Kakap. The form research that used was quasi-experimental with research design was "Nonequivalent Control Group Design". 22 students of class XI IPA 2 and 25 students of class XI IPA 3 participated in this research. Data analysis used U-Mann Whitney test showed that there were differences learning result between students who were given direct corrective feedback with students who were given indirect corrective feedback on homework. Based on value of effect size that was 2.17 with category was very high, direct corrective feedback gave 48.5% effect on increased student learning result
