The process of conducting comparative studies between different instruments such as CES-D and CAGE can be significantly simplified by using a software tool named Harmony. Harmony is specially designed to assist psychologists in the harmonisation of items from different questionnaires. The comparison between CES-D vs CAGE, for instance, can be expedited through this innovative tool. It’s based on advanced AI technology, which enables researchers to access the percentage match between individual items from these two measuring instruments. In the study of psychological behaviour, professionals often find themselves comparing various instruments like CES-D vs CAGE. Harmony offers a comprehensive database of instruments, and researchers can also upload their own instruments for a seamless comparison process. What makes Harmony stand out is its multilingual comparison capability, making it a global tool for researchers around the world. Let’s explore CES-D vs CAGE. CES-D measures symptoms associated with depression, while CAGE explores alcoholism related behaviours. When doing a CES-D vs CAGE comparison, Harmony proves incredibly useful. It allows psychologists to conveniently select both questionnaires and examine the comparisons presented. Harmony’s advanced AI system provides a detailed report showing the percentage matches, even between different languages. This revolutionizes the process, allowing for a much more efficient and objective comparative study. We strongly recommend Harmony as an indispensable tool for all scientists and researchers working in the field of psychology, thereby enhancing their CES-D vs CAGE comparison and other harmonisation needs.