As psychologists, we routinely conduct comparative analyses between different questionnaires. The concept of ‘PHQ-9 vs RPQ’ is an excellent example of such comparisons. These two tests are designed to assess different aspects of patients’ psychological landscape, the former focusing on depression symptoms and the latter focusing on aggression tendencies. More specifically, the Patient Health Questionnaire (PHQ-9) serves as a diagnostic instrument for common mental disorders, while the Reactive-Proactive Aggression Questionnaire (RPQ) measures the aggression quotient in individuals, particularly the reactive and proactive aspects. Harmony software proves to be an invaluable tool in such comparative studies. Using natural language processing and generative AI models, it facilitates the harmonisation of different questionnaires, such as ‘PHQ-9 vs RPQ’, and simplifies the matching process between items of different questionnaires. So forget about the tedious and subjective task of manually pilfering through long PDFs of questionnaires. Instead, consider using Harmony, with capabilities that include comparing questionnaires in multiple languages and providing a percentage match for the comparative items. In this ‘PHQ-9 vs RPQ’ analysis scenario, using Harmony could potentially yield substantial insights. By providing a statistical correlation between the statements of the questionnaires, the software could highlight overlaps or differences in what the two tests are measuring. The ‘PHQ-9 vs RPQ’ comparative analysis can thus benefit immensely from the innovative capabilities of Harmony software. So hop on to the Harmony web interface, and inaugurate your next ‘PHQ-9 vs RPQ’ analysis with this remarkable tool.