The Influence of Using Brain-Based Learning ( BBL ) Strategy on Students’ Vocabulary Mastery in the Second Semester at Seventh Grade of SMPN 1 Sumber Jaya in the Academic Year of 2022/2023

FITRI, ESA ULVA MIMA (2023) The Influence of Using Brain-Based Learning ( BBL ) Strategy on Students’ Vocabulary Mastery in the Second Semester at Seventh Grade of SMPN 1 Sumber Jaya in the Academic Year of 2022/2023. Diploma thesis, UIN RADEN INTAN LAMPUNG.

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Abstract

ABSTRACT The Influence of Using Brain-Based Learning ( BBL ) Strategy on Students’ Vocabulary Mastery in the Second Semester at Seventh Grade of SMPN 1 Sumber Jaya in the Academic Year of 2022/2023 Vocabulary is essential in language and for all people to interact with each other. This research was conducted based on the results of observations by researchers in seventh-grade students at SMPN 1 Sumberjaya West Lampung regarding the problems students face in learning English, especially in mastering vocabulary in descriptive text. In this case, the researcher used the Brain-Based Learning Strategy to help students understand the vocabulary contained in descriptive reading texts. The Brain-based learning strategy is the engagement of strategies based on principles derived from understanding the brain. Brain-based learning strategies are also used to describe applying a theory about the brain to help children maximize their learning potential. Brain-based learning created a relaxed, fun, active, and meaningful learning environment. This research aimed to determine if there is any significant influence of using the Brain-Based Learning ( BBL ) strategy on students‟ vocabulary mastery in the second semester of seventh grade of SMPN 1 Sumber Jaya in the academic year of 2022/2023. This research is experimental. In this research, a quasi-experimental pre-and post-test design was used. The population of this research is the seventh-grade students of SMPN 1 Sumberjaya West Lampung. The total population was 243 students, while researchers used a cluster random sampling technique for sample selection. The research sample consisted of 68 students, and this sample consisted of two classes: 34 students for the experimental class and 34 students for the control class. The researcher used instruments ( Multiple Choice Questions) in the form of research with pre-tests and post-tests to collect data. The treatments were delivered in 3 x 80 minutes. After administering the pre-test and post-test, the researcher used SPSS to compute the independent sample t-test to determine whether the data were regular and homogeneous. This research concluded that the data are normal because of the Sig. Pre- and post-test experimental class and control class results > 0.05. Furthermore, the data are homogeneous, as seen from the Sig. (based on mean) 0.576 > 0.05. This research has normal and homogeneous data results, so the hypothesis test used a parametric, independent sample t-test. Based on the analysis of data calculations in hypothesis testing, a significant effect could be seen in the dependent sample t-test table where the value of Sig. (2tailed) of the same variant, which is 0.01 < 0.05, means that Ho is rejected, and Ha is accepted that the Brain-Based Learning Strategy could positively and better influence students‟ Vocabulary mastery. Key words: Brain-Based Learning Strategy, Experimental Design, Vocabulary Maste

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