“…Attardo, 1993;Berlyne, 1972;Bill & Naus, 1992;McGhee, 1972). Speci®cally, it activates a conversational rule to switch from the usual serious mindset to a playful or noncritical mindset for interpreting the underlying message (Attardo, 1993;Berlyne, 1972;Mannell, 1977;McGhee, 1972;Sev'er & Ungar, 1997;Ziv & Gadish, 1990). Berlyne (1972), for instance, suggested that,`Humor is accompanied by discriminative cues, which indicate that what is happening, or is going to happen, should be taken as a joke.…”