The Effect Of Cepat Mahir Aplication To Improve Vocabulary Mastery (A Quasi-Experimental Study at Seventh Grade of SMPN 10 Rejang Lebong)

Renata, Chaidir and Anshori, Sakut and Apriani, Eka (2026) The Effect Of Cepat Mahir Aplication To Improve Vocabulary Mastery (A Quasi-Experimental Study at Seventh Grade of SMPN 10 Rejang Lebong). Sarjana thesis, Institut Agama Islam Negeri (IAIN) Curup.

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Abstract

This study aims to determine whether the Cepat Mahir application is effective or not.ِTheِobjectivesِofِthisِstudyِareِtoِidentifyِstudents’ِEnglishِvocabularyِbeforeِandِ afterِ learningِ withoutِ usingِ theِ applicationِ inِ theِ controlِ classِ toِ identifyِ students’ِ English vocabulary before and after the implementation of learning using the Cepat Mahir application in the experimental class and to determine the significance of the difference between the control class and the experimental class after the implementation of learning using the Cepat Mahir application on students’ِEnglishِvocabulary.Thisِstudyِemployedِ a quasi-experimental method with a quantitative approach. The population of this study consisted of 74 students, with a total sample of 48 seventh-grade students, comprising 24 students in the experimental class and 24 students in the control class. Data were collected through pre-tests and post-tests, and the data were analyzed using a t-test.The results of this study showed that the mean score of the control class was 64.67, while the mean score of the experimental class was 78.83. This indicates that there was a fairly significant effect and a significant difference between the experimental class and the control class. It can be concluded that learning using the Cepat Mahir application is effective in improving the English vocabulary of seventh-grade students at SMPN 10 Rejang Lebong. Keywords:English Vocabulary, Cepat Mahir Aplication

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Thesis (Sarjana)

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