The huge effort of the Psychological Science Accelerator regarding the study of the trolley problem around the world, to which I collaborated, resulted in a paper published in Nature: Human Behaviour. You can read it here: https://www.nature.com/articles/s41562-022-01319-5
You can cite it as:
Bago, B., Kovacs, M., Protzko, J., Nagy, T., Kekecs, Z., Palfi, B., … & Matibag, C. J. (2022). Situational factors shape moral judgements in the trolley dilemma in Eastern, Southern and Western countries in a culturally diverse sample. Nature human behaviour, 1-13.
Alan Mattiassi, PhD 