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2018 ; 34
(1
): 161-180
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gab.com Text
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English Wikipedia
Near-Misses and Stop Buttons in Slot Machine Play: An Investigation of How They
Affect Players, and May Foster Erroneous Cognitions
#MMPMID28702882
Dixon MJ
; Larche CJ
; Stange M
; Graydon C
; Fugelsang JA
J Gambl Stud
2018[Mar]; 34
(1
): 161-180
PMID28702882
show ga
In modern casinos, multiline slot machines are becoming increasingly popular
compared to traditional, three-reel slot machines. A paucity of research has
examined how the unique presentation of near-misses and the use of a stop button
in multiline slot machines impact erroneous cognitions related to the perception
of skill and agency during play. Our goal therefore was to determine the
prevalence of erroneous cognitions pertaining to near-miss outcomes and the usage
of a stop button and then to see whether the stop button affected players'
experiences of winning, losing and near-miss outcomes. We recruited 132 gamblers
from a casino in Ontario. They played two versions of a slot machine simulator:
one with a stop button and one without a stop button. We measured player's
arousal [skin conductance responses (SCRs), pressure on the spin-button), and
behavioural responses (post-reinforcement pauses (PRPs)] to wins, losses and
near-misses during play. We predicted more robust physiological SCRs and longer
PRPs to wins in the stop button game. We also predicted that near-misses
encountered in the stop button game would trigger greater levels of arousal and
frustration in players, as indexed by larger SCRs, and greater force applied to
the spin button to initiate the next spin. Erroneous cognitions pertaining to the
stop button and near-misses respectively were assessed following play. Results
showed that a small but meaningful percentage of players held erroneous
cognitions about the stop button (13.6%) and near-misses (16%). Players depressed
the spin button harder, and had larger SCRs for all outcomes when using the stop
button. Players also paused longer for near-misses in the game involving the stop
button. Our findings converge to suggest that the stop button encourages an
erroneous perception of skill in some players, and consequentially impacts how
such players perceive their outcomes in multiline slot machines.