Strategy Integration Writing to Learn on the Problem Based Learning Model to Improve Mastery of Concepts and Communication Skills
Keywords:
Writting to Learn; Communication Skills; Problem Based LearningAbstract
This study aims to identify the integration of the Writing to Learn strategy in improving the mastery of concepts and communication skills of vocational high school students. The study used a sample design of 33 grade X vocational high school students who were divided into 4 groups to determine the improvement of students' communication skills. The instruments used were 10 pretest and posttest questions to measure students' conceptual abilities, while the instrument for writing skills used LKPD with a Problem Based Learning model. Students were guided to develop ideas based on problems designed in the LKPD. The data analysis technique used N-gain calculations. The results of the calculations obtained a calculation of <g> an increase in conceptual knowledge of 0.54 with a medium category, the calculation of <g> from the first meeting to the second meeting was 0.33 with a low category, <g> from the second and third meetings was 0.57 with a medium category and <g> from the third and fourth meetings was 0.8 with a high category. So it can be concluded that the Problem Based Learning model with the Writing to Learn strategy to improve students' mastery of concepts and communication skills is effective for use in science learning.
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