The Hospital Anxiety and Depression Scale (HADS) is a widely used self-report tool that measures symptoms of anxiety and depression in clinical and non-clinical populations.
Harmony is an AI tool which uses Large Language Models to automatically match items from different questionnaires, even across different languages. You can try Harmony here: https://harmonydata.ac.uk/app. Harmony is also available as a Python and R package.
You may also be interested in Harmony Meta, our new discovery engine that helps you search through vast catalogues of study metadata to identify the variables you need for your research.