Singing ability assessment: Development and validation of a singing test based on item response theory and a general open-source software environment for singing data

Silas, S., Müllensiefen, D., & Kopiez, R. (2024). Singing ability assessment: Development and validation of a singing test based on item response theory and a general open-source software environment for singing data. Behavior Research Methods, 56, 4358–4384. https://doi.org/10.3758/s13428-023-02188-0