Holt, R. ., Upadhyay, J. ., Smith, P. ., Allison, C. ., Baron-Cohen, S. ., & Chakrabarti, B. . The Cambridge Sympathy Test: Self-reported sympathy and distress in autism. PloS One, 13(7), e0198273. https://doi.org/10.1371/journal.pone.0198273 (Original work published 2018)