This study aims to determine whether there is significant effect of using picture method on student writing descriptive text by the tenth grade of SMK Swasta PAB2 Helvetia Medan. For this research the researcher using experimental research with a quantitative approach. In this research the researcher take the data populations in SMK Swasta PAB2 Helvetia Medan. The total data of samples is 70 students, that is divided into two groups namely; experimental group consisting of 35 students (class X RPL-1) and control group consisting of 35 students(class XRPL-2). For the class experimental taught using the pictures while to for the class control taught using conventional techniques To measure the data research can be obtained using pre-test and post-test. For the test of pre-test given before there was an explanation about the subject matter and for the post-test gien after there was an explanations about the subject matter. Then, the instrument for the collect data is writing essay about example of descriptive text. To analyze the data the researcher used t-test. The significance value calculated 0.000 is smaller than 0,5 (P value= 0,000<0,05) so that the result of his calculations are;(1) the students’ ability in writing descriptive text by using picture method got the mean 75.82 and standard deviation was 6.86 (2) The students’ ability in writing descriptive text by using conventional strategy got the mean 52.11 and standard deviation was 8.95. The value of t_observed was 4.551 and that of t_table was 2.000. So the value of t_observed was higher than that of t_table. So it can be concluded that significant effect of using picture method on students’ ability in writing descriptive text.

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