Conducting comprehensive study for psychologists and social scientists often requires cross-referencing numerous questionnaires. Harmony enables the process to be efficient by harmonising questionnaire items seamlessly. In this context, consider the comparison between PHQ-9 and SANS. These two are crucial instruments in mental health research, and comparing them can offer valuable insights. However, the manual process can be taxing and time-consuming. With Harmony, you can conduct a PHQ-9 vs SANS comparison effortlessly and accurately. The PHQ-9 is a self-administered tool for evaluating common mental ailments, scoring each element from “0” (not at all) to “3” (nearly every day). SANS, on the other hand, assesses negative symptoms, such as lack of energy, emotional unresponsiveness, and social isolation. The comparison of these questionnaires allows researchers to check the consistency of longitudinal results across varying conditions, which underscores the importance of PHQ-9 vs SANS. Harmony presents an optimal solution for the PHQ-9 vs SANS comparison. Using advanced AI models and natural language processing, Harmony can successfully map and match questionnaire items. By leveraging Harmony, you can select instruments from its database or even directly upload your own, thus facilitating a streamlined research process. As a result, the Harmony tool contributes to a more efficient and objective harmonisation process, saving researchers invaluable time.