Harmony’s robust toolset makes psychological instrument comparison seamless. A particularly intriguing comparison is GHQ 12 vs EAS. The General Health Questionnaire (GHQ-12), widely recognized as a psychological distress detector, and the Emotionality Activity Sociability Temperament Survey for Children (EAS), designed to analyze children’s behaviour, although differing in intent, can be harmonised using Harmony. Leveraging its advanced natural language processing capabilities, Harmony allows for efficient cross-comparison of these two distinguished instruments on the basis of their individual items. The comparison process for GHQ 12 vs EAS begins when users simply select the desired instruments from Harmony’s substantial database or directly upload their own in PDF form. Harmony’s large language model then analyses each item in GHQ 12 and EAS, presenting a percentage match. As such, psychologists can effectively observe how the elements in both surveys correspond or differ. Given that GHQ 12 is a highly multifaceted measure, and EAS focuses on distinct child behaviour aspects, the comparative results yielded by Harmony provide valuable insights for researchers in their respective studies. In regard to GHQ 12 vs EAS, Harmony’s multi-language support further broadens the range of potential research. Researchers around the globe, regardless of their native language, can effectively utilize Harmony’s capabilities to compare GHQ-12 and EAS in the context of their respective socio-cultural environment. Thus, regardless of whether you’re operating with the original English version of GHQ-12 or the EAS in Mandarin, Harmony can effortlessly harmonise the respective items from each tool. This international accessibility further underscores Harmony’s revolutionary impact on psychological and social science research.