Comparing psychological questionnaires such as GHQ 12 and CFNS can be a daunting task for researchers and psychologists due to their intricacies and nuanced differences. As such, the use of a software tool like Harmony can greatly benefit these professionals. Harmony, with its advanced algorithms and machine learning capabilities, simplifies the process of questionnaire harmonisation effectively. By analysing the semantic similarity between the items of GHQ 12 and CFNS, Harmony brings to light divergences and commonalities that may not be easily recognisable through manual comparison. This process of GHQ 12 vs CFNS comparison is not just about equating one question with another. It’s about understanding the underlying psychological constructs each questionnaire aims to measure and how they interrelate. This is where Harmony’s superior natural language processing and AI models come into play. Given GHQ 12’s focus on mental well-being and CFNS’s emphasis on food neophobia in children, Harmony’s capacity to handle such distinct dimensions and offer a percentage match between individual questionnaire items is significantly valuable for psychologists and social scientists. Harmony doesn’t just provide a mechanism for GHQ 12 vs CFNS comparison in English. Its ability to analyse and compare items across different languages speaks volumes about its versatility. As such, researchers with a global focus will find Harmony indispensable. The potential insights that can be gleaned from using Harmony for GHQ 12 vs CFNS comparison are immense. From exploring cultural variations in mental health and eating behaviour to assessing the validity of psychological constructs across different societal contexts, Harmony enables an elevated level of research rigour and comprehensiveness.