Andreanto, Mohammad Rizky (2026) The Effectiveness Of Using Image-Based CAPTCHA On Student's Vocabulary Skill. Undergraduate (S1) thesis, UIN Kiai Ageng Muhammad Besari Ponorogo.
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Abstract
Media plays an important role in teaching English, especially in vocabulary learning, which is a key component of language proficiency. Vocabulary is fundamental to effective communication. However, many students still have difficulty remembering and retaining new words due to the limited use of engaging and interactive media in the classroom. Therefore, integrating technology-based media is necessary to support vocabulary learning and increase student motivation. One potential tool is image-based CAPTCHA, which requires users to identify objects through visual tasks. When adapted as a learning medium, CAPTCHA can make learning more interactive and engaging, and may help improve students’ vocabulary skills.
The aim of this research to determine whether is there any significant difference on student vocabulary skill of 2nd semester students of Tadris Bahasa Inggris (TBI) who were taught using image-based CAPTCHA. Moreover, the significant findings of this study will be expected to be useful towards English teachers and other researchers.
This study employed a quantitative approach using a quasi-experimental design. The research involved two groups, namely an experimental group and a control group. The total sampling is used in this study as the population and sample consist of 52 2nd semester students of English Language Teaching department. Data collection was held from 9th March – 14th April. The data were collected through vocabulary tests (pre-test and post-test). The data analysis was conducted using the independent samples t-test.
The findings revealed the mean score of the experimental group (TBI A), which was taught using image-based CAPTCHA, in the post-test was 78.11, while the mean score of the control group (TBI B), which was taught using conventional methods, was 72.56. Based on the data analysis and hypothesis testing, the calculation revealed that the significance value was 0.030, so the null hypothesis (H₀) was rejected and the alternative hypothesis (H₁) was accepted. Therefore, it can be concluded that there is a significant difference in students’ vocabulary skill between those who were taught using image-based CAPTCHA and those who were not.
| Item Type: | Thesis (Undergraduate (S1)) |
|---|---|
| Thesis Supervisor: | Dr. Dhinuk Puspita Kirana, M.Pd. |
| Subjects: | 13 EDUCATION > 1399 Other Education > 139999 Education not elsewhere classified |
| Divisions: | Fakultas Ilmu Tarbiyah dan Keguruan > Jurusan Tadris Bahasa Inggris |
| Depositing User: | Perpustakaan Pusat |
| Date Deposited: | 05 Jun 2026 05:31 |
| Last Modified: | 05 Jun 2026 05:31 |
| URI: | http://etheses.uinponorogo.ac.id/id/eprint/38644 |
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