2012
DOI: 10.6064/2012/654094
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How Is Chimpanzee Self-Control Influenced by Social Setting?

Abstract: Self-control is often required in natural situations involving interactions with other individuals, and personal self-control can be compromised if other individuals act impulsively. In this study, we tested self-control in pairs of chimpanzees in a variety of settings where at least one chimpanzee of each pair performed an established test for self-control in which candies accumulated one at time as long as the chimpanzee did not eat any of them. When tested alone, some chimpanzees exhibited greater self-cont… Show more

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Cited by 10 publications
(10 citation statements)
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References 32 publications
(46 reference statements)
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“…It follows that the general outcome of this study – that these monkeys tolerated delays and work periods of several seconds in order to obtain a larger supply of food pellets – is reliable as well. Moreover, this general outcome is consistent with multiple previous studies involving these and related species illustrating that nonhuman primates are capable of self-control and delay of gratification within certain temporal and reward parameters (e.g., Addessi and Rossi, 2011; Beran, 2002; Dufour et al, 2007; Evans et al, 2012a, 2012b; Freeman et al, 2009; Stevens et al, 2005a, 2005b; Tobin et al, 1996). …”
Section: Discussionsupporting
confidence: 90%
“…It follows that the general outcome of this study – that these monkeys tolerated delays and work periods of several seconds in order to obtain a larger supply of food pellets – is reliable as well. Moreover, this general outcome is consistent with multiple previous studies involving these and related species illustrating that nonhuman primates are capable of self-control and delay of gratification within certain temporal and reward parameters (e.g., Addessi and Rossi, 2011; Beran, 2002; Dufour et al, 2007; Evans et al, 2012a, 2012b; Freeman et al, 2009; Stevens et al, 2005a, 2005b; Tobin et al, 1996). …”
Section: Discussionsupporting
confidence: 90%
“…Specifically, chimpanzees can delay gratification for similar amounts of time as human children (Beran and Evans 2006), and like children, chimpanzees will divert their attention from task rewards resulting in greater delay of gratification (Evans and Beran 2007). Despite these results, we have an incomplete picture of self-control in chimpanzees as it manifests in a social setting (but see Boysen and Bernston 1995; Evans et al 2012), and as it might manifest in other colonies of captive animals.…”
Section: Discussionmentioning
confidence: 81%
“…Instead of the experimenter physically delivering the food rewards, a computer was set up so that rewards were delivered via an automated dispenser (see Beran and Evans 2006; Evans et al 2012). This apparatus consisted of two Med Associates dispensers controlled by a Dell Optiplex personal computer via a Keithley Instruments digital I/O board.…”
Section: Methodsmentioning
confidence: 99%
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