Hazem’s work was the first to systematically evaluate ChatGPT's performance in a large-scale study of university-level courses spanning multiple disciplines. In this process, he and his colleagues were also the first to analyze public sentiments towards ChatGPT globally by conducting surveys in five different countries with teachers and students.
He was the first to examine ChatGPT detectors in the context of university assessments, as well as methods to obfuscate text to avoid detection. Throughout this process, he collaborated with government officials and experts in education studies to help guide educational policies on AI plagiarism and its impact in the classroom.