The Use of Mind Mapping Strategy in the Teaching of Writing at SMAN 3 Bengkulu, Indonesia
Riswanto, Pebri Prandika Putra
The main objective of this study was aimed to identify whethier the use of Mind Mapping strategy was effective in improving the students’ writing achievement. Non-equivalent groups pretest-posttest design was used in this study. The population was the First year students of SMAN 3 Bengkulu Town in academic year of 2011/2012 with a total number of 234 students. Out of this population, 66 students were taken as sample. There were two groups, each of which consisted of 33 students. The data were collected by using writing test. The data obtained were analyzed by using t-test formula. From the t-test calculation of the pre test result was known that t obtained was 0.25 by using t table p level and 64 df results in a figure of 2.0, so the obtained < t table (0.25 < 2.0). it means that there was not a statistically, the average of two groups were the same grade. Then after giving the treatment for sixteen meetings the post test was given to the two groups. The mean score of the experimental group was 68.1212 and the control group was 62.7727. In testing the significant difference between these two group means; t obtained was 2.7 and t table value at 0.05 p level and the 64 df was 2.0. So that t obtained > t table (2.7 > 2.0). It meant that there was a significance difference on students writing achievement which was taught through Mind Mapping Strategy. Therefore, it can be concluded that Mind Mapping Strategy improved students’ writing achievement.
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