“…Siblings share a long, co-constructed history (Dunn, 2007; McHale et al, 2012) that makes their relationship a particularly important context for the development of social understanding (Howe & Recchia, 2014; Howe et al, 2022) and humor (Dunn, 1988; Paine, Howe, et al, 2019; Paine et al, 2021). In our previous work, we have observed that children’s humor produced with siblings often appears to be well-rehearsed, ritualistic, and based on the siblings’ intimate knowledge of, and experiences with, one another (Paine, Howe, et al, 2019; Paine et al, 2021).…”