Abstract:
This study examines the impact of AI-based content-generating tools on the academic
performance of undergraduates at state universities in Sri Lanka. With the growing
integration of tools such as ChatGPT, Grammarly, QuillBot, Microsoft Copilot, and
Google Gemini in higher education, students increasingly rely on them for academic
writing and learning support. While these tools enhance efficiency and provide
personalised assistance, they also raise concerns regarding plagiarism, over-reliance,
and ethical engagement. Despite global attention, limited empirical evidence exists
on their influence in the Sri Lankan higher education context. Addressing this gap,
the study investigated how four factors—frequency of use, purpose of use, self efficacy, and digital literacy—affect undergraduates’ academic performance. A
quantitative, cross-sectional survey was conducted using a structured online
questionnaire administered to a stratified sample of 384 undergraduates across all 17
state universities governed by the University Grants Commission (UGC). Academic
performance was measured through GPA, end-of-semester examination results, and
assignment marks. Data were analysed using SPSS software through descriptive
statistics, correlation analysis, and multiple regression. The findings revealed that
most students used multiple AI tools, with ChatGPT being the most frequently used.
Purposeful use, higher self-efficacy, and stronger digital literacy showed statistically
significant positive effects on academic performance, while frequency of use alone
exerted a weaker influence. Regression analysis indicated that digital literacy
explained a notable proportion of variance in academic outcomes. The study
concludes that AI tools can support academic success when integrated responsibly,
emphasising the need for digital literacy training and clear policies on ethical AI use.
It contributes original empirical evidence by jointly analysing multiple AI tools and
highlighting the combined role of digital literacy and self-efficacy in the Sri Lankan
undergraduate context.
