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All Journal Didaktik : Jurnal Ilmiah PGSD STKIP Subang Jadila: Journal of Development and Innovation in Language and Literature Education
Ali Akbarjono
Universitas Islam Negeri Fatmawati Sukarno Bengkulu
Education Languange, Linguistic, Communication & Media

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The Effect of Compare-Diagnose-Operate (CDO) Strategy to Improve Students’ Writing Ability In Descriptive Text Tatang Kusuma; Ali Akbarjono; Fera Zasrianita
Jadila: Journal of Development and Innovation in Language and Literature Education Vol. 2 No. 2 (2021): Jadila: Journal of Development and Innovation in Language and Literature Educat
Publisher : Yayasan Karinosseff Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52690/jadila.v2i2.190

Abstract

This study aims to determine the differences in cognitive learning outcomes (in the form of pre-test and post-test scores) of students in class X IPS 1 as a control class and class XI MIPA 3 as experimental class at SMA N 5 Bengkulu Tengah, by providing treatment using the Compare -Diagnose-Operate (CDO) strategy. This type of research is Quasi Experiment. The population is tenth grade students of SMA N 5 Bengkulu Tengah with 368 students. From this population, 37 students were taken as samples. Each class is 17 students XI IPS 1 and 20 students XI MIPA 3. Research data were collected through writing tests and documentation. The results showed a significant change in the experimental class with an average value of 71.85 while in the control class an average value of 52.06. The post-test results show that the Compare-Diagnose- Operate (CDO) strategy can improve students' writing skills. Thus, the Compare- Diagnose-Operate (CDO) strategy can be one of effective strategy to increase students‟ writing ability.
THE EFFECT OF SPELLING BEE GAME TOWARDS STUDENT’S VOCABULARY MASTERY OF EIGHTH GRADE STUDENTS AT SMP 18 IN BENGKULU CITY QUASI EXPERIMENT AT STUDENTS OF SMP NEGERI 18 KOTA BENGKULU Gilang Redi Fadli; Ferri Susanto; Ali Akbarjono
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 11 No. 04 (2025): Volume 11 No. 04 Desember 2025 Published
Publisher : STKIP Subang

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Abstract

This research aims to investigate the effect of the Spelling Bee Game on the vocabulary mastery of eighth-grade students at SMP 18 in Bengkulu City. This study was conducted based on the issue of low vocabulary proficiency among students, which is often caused by monotonous learning methods, the lack of interactive spelling activities, and students’ low motivation to learn new vocabulary. The research employed a quasi-experimental design using the Non-Equivalent Control Group Design, involving two classes with a total of 48 students. The instrument used was a vocabulary test assessing students’ spelling accuracy, word recognition, word meaning comprehension, and their ability to use vocabulary in simple contexts. The results demonstrate a significant disparity in post-test scores between the experimental and control groups, with mean scores of 53.50 and 74.50, respectively. The independent samples t-test showed a significance value of 0.000 (< 0.05), confirming that the Spelling Bee Game significantly improved students’ vocabulary mastery.
Co-Authors Fera Zasrianita Ferri Susanto Gilang Redi Fadli Tatang Kusuma