Abstract :
This research was conducted to know the effect of applying the effect of reward anf punishment in learning English of Madrasah Laboratorium UIN SU Medan in the academic year of 2018/2019. The population of this research was the class X ?MIA and X-IA and the samples of this research was taken from 25 students of Experimental class (X ?MIA) and 30 students of control class (X-IA).
The researcher used a reading test to collect the data and the instrument for collecting data was multiple choice. The test consist of two types, namely pre-test and post-test.the data were analized by using t-test formula. After analyzing the data, the result of the research showed that the value of t-observed was higher than the value of t-table (5,128 ) >(1.676) at the level significant of a =0.05 and at the degree of fredom (df) = 48. It can be concluded that applying peer response technique has significant effect on students achievement in reading or in other words the alternative hypothesis (Ha) was accepted.