▁emot ional ▁events , ▁ev okes ▁em otion . ▁It ▁thereby ▁sli ps ▁the ▁belief ▁that ▁the ▁em otion ▁is ▁about ▁into ▁the ▁listener ' s ▁mind . ▁Pres umably , ▁it ▁sli ps ▁the ▁belief s ▁into ▁the ▁listener ' s ▁mind ▁more ▁easily , ▁smooth ly ▁and ▁un question ed ▁than ▁would ▁happen ▁when ▁the ▁information ▁alone ▁was ▁transm itted ." ▁▁ ▁Though ▁it ▁is ▁still ▁an ▁under develop ed ▁area ▁of ▁research , ▁a ▁number ▁of ▁sch ol ars ▁are ▁demonstr ating ▁that ▁manip ulating ▁emot ions ▁surrounding ▁a ▁persu as ive ▁message ▁does ▁affect ▁that ▁message ' s ▁effect iveness . ▁It ▁has ▁been ▁shown , ▁for ▁example , ▁that ▁people ▁tend ▁to ▁adjust ▁their ▁belief s ▁to ▁fit ▁their ▁emot ions , ▁since ▁feelings ▁are ▁treated ▁by ▁people ▁as ▁evidence , ▁and ▁when ▁feelings ▁match ▁belief s , ▁that ▁is ▁seen ▁as ▁validation ▁of ▁the ▁underlying ▁belief s . ▁Other ▁research ▁shows ▁that ▁" em ot ional ▁stim uli ▁can ▁influence ▁judgment ▁without ▁a ▁judge ' s ▁aw aren ess ▁of ▁having ▁seen ▁or ▁felt ▁anything ▁( e . g ., ▁B arg h , ▁ 1 9 9 7 ; ▁Mur phy ▁& ▁Z aj onc , ▁ 1 9 9 3 ). " ▁ ▁Indeed , ▁" re cent ▁studies ▁have ▁confirmed ▁that ▁affect ▁does ▁play ▁a ▁general ▁role ▁in ▁attitude ▁change , ▁whether ▁due ▁to ▁persu as ive ▁communication , ▁or ▁to ▁cogn itive ▁dis son ance ▁processes ▁( P et ty ▁et ▁al .,