Investigating the effect o ai-based digital storytelling on speaking proficiency in EFL learners

Zein, Alfin nur rohmah (2026) Investigating the effect o ai-based digital storytelling on speaking proficiency in EFL learners. Undergraduate (S1) thesis, UIN Syekh Wasil Kediri.

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Abstract

Speaking proficiency is a fundamental skill for English as a Foreign Language (EFL) learners. However, many students face challenges such as lack of confidence, limited vocabulary, and low motivation. This study aimed to investigate the effect of AI-Based Digital Storytelling on the speaking proficiency of EFL learners at SMK Al-Mahrusiyah Kediri. This study employed a quantitative approach with a quasi-experimental design. The participants were 70 tenth-grade students divided into two groups: an experimental group (n=35) taught using AI-Based Digital Storytelling and a control group (n=35) taught using picture-based storytelling. The treatment was conducted over six meetings. Data were collected through pre-tests and post-tests measuring students' speaking proficiency across four aspects: fluency, pronunciation, vocabulary usage, and grammatical accuracy. The data were analyzed using descriptive statistics and the Mann-Whitney U Test because the data were not normally distributed. The findings revealed that the experimental group achieved a mean posttest score of 13.5, which was significantly higher than the control group's mean score of 11.7. The Mann-Whitney U Test result showed a significance value of 0.000 (p < 0.05), indicating that the null hypothesis (H₀) was rejected and the alternative hypothesis (Ha) was accepted. Furthermore, the effect size calculation (r = 0.618) indicated a large effect according to Cohen's criteria. In conclusion, AI-Based Digital Storytelling is effective in enhancing EFL learners' speaking proficiency with a large effect size. It is recommended that English teachers integrate AI tools such as ChatGPT, Gemini, or Grook into storytelling activities to create more engaging and meaningful speaking practice. Future researchers are encouraged to investigate the effectiveness of AI-Based Digital Storytelling on other language skills and in different educational contexts.

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