“What sobriety conceals, alcohol reveals”: Have you ever considered why people tend to evaluate rhyme sayings as more truthful?
The answer is “Keats Heuristic”. According to this effect, a statement’s truth is evaluated according to aesthetic qualities or the fluency heuristic, according to which things could be preferred due their ease of cognitive processing.
An example of persuasive quality? The phrase “If it doesn’t fit, you must acquit” used by Johnnie Cochran to gain acquittal for O.J. Simpson in Simpson’s murder trial back in 1995.