PHQ-9 vs IRI Psychologists and social scientists often find themselves needing to compare questionnaire instruments such as PHQ-9 and IRI for their research. This process, known as harmonisation, can be tiresome and subjective. However, they can now streamline the harmonisation process and achieve more accurate results by using a tool known as Harmony. This software uses natural language processing and generative AI models to compare instruments like PHQ-9 and IRI in multiple languages. Harmony can significantly ease the tedious process of comparing the Patient Health Questionnaire (PHQ-9) and Interpersonal Reactivity Index (IRI) and provide a percentage match between each item. The PHQ-9 measures nine criteria for common mental disorders, while IRI assesses empathy levels with various statements. Harmony enables researchers to not only select instruments from its database but also upload their own instruments in PDF form. Harmony is revolutionizing the way we approach the PHQ-9 vs IRI comparison by providing an objective, time-efficient, and user-friendly platform. With Harmony, researchers can focus more on trying to understand their results and less on the arduous task of harmonising questionnaires manually. Give Harmony a try when working with PHQ-9 vs IRI or any other questionnaire comparisons for your next research project.