Two groups were given the choice betwwen owning a mug or receiving money…
…were rated more trustworthy and believeable than their non-rhyming counterparts
We believe rhyming statements more readily than those with no rhyme
See the full study here :
McGlone, M. S., & Tofighbakhsh, J. (2000). Birds of a feather flock conjointly (?): Rhyme as reason in aphorisms. Psychological science, 11(5), 424-428. https://doi.org/10.1111/1467-9280.00282