PHQ-9 vs GHQ-12 Psychologists and researchers often grapple with the task of matching and comparing psychological instruments such as the Patient Health Questionnaire (PHQ-9) and General Health Questionnaire (GHQ-12). The process, known as harmonisation, is often time-consuming and subject to individual interpretation. This is where the Harmony software brings its value to the fore in the comparison of PHQ-9 vs GHQ-12. Harmony is a powerful tool that employs natural language processing and generative AI models to streamline the harmonisation process. It allows researchers to compare items from different psychological instruments like PHQ-9 and GHQ-12 and even across different languages. Harmony’s vast database can match items and provide a percentage similarity between them. This AI-assisted approach minimizes subjectivity, making comparisons between PHQ-9 and GHQ-12 more accurate and reliable. In concluding, using Harmony for PHQ-9 vs GHQ-12 comparisons will revolutionize the way researchers conduct longitudinal and cohort studies. By automating the harmonisation process, Harmony not only saves time but also enhances the validity of comparative studies. Its capability to work across languages is an additional boon, making Harmony the go-to software for psychologists seeking to draw accurate comparisons between diverse questionnaires like PHQ-9 and GHQ-12.