Bystander

Psychological Bulletin 2011, Vol. 137, No. 4, 517537 © 2011 American Psychological confirm 0033-2909/11/$12.00 DOI: 10.1037/a0023304 The Bystander-Effect: A Meta-Analytic Review on Bystander diaphragm in Dangerous and Non-Dangerous Emergencies Peter Fischer University of Regensburg Joachim I. Krueger Brown University Tobias Greitemeyer University of Innsbruck Claudia Vogrincic University of Graz Andreas Kastenmuller ¨ Liverpool John Moores University Dieter Frey University of Munich Moritz Heene, Magdalena Wicher, and Martina Kainbacher University of Graz interrogative sentence on bystander intervention has produced a great number of studies hybridise that the presence of other people in a bantam situation reduces the likelihood that an individual will help. As the finish systematic review of bystander research was published in 1981 and was non a quantitative meta-analysis in the modern sense, the take meta-analysis updates the cognitio n round the bystander payoff and its potential moderators.

The present work (a) integrates the bystander belles-lettres from the sixties to 2010, (b) provides statistical tests of potential moderators, and (c) presents new theoretical and experimental perspectives on the novel finding of non-negative bystander effects in definite heavy(a) emergencies as well as situations where bystanders argon a ascendent of physical support for the potentially intervening individual. In a fixed effects model, data from over 7,700 participants and cv independent effect sizes revealed an overall effect size of g 0.35. The bystander effect was atte nuated when situations were perceived as dan! gerous (compared with non-dangerous), perpetrators were present (compared with non-present), and the be of intervention were physical (compared with non-physical). This pattern of findings is consistent with the arousal-cost-reward model, which proposes that dangerous emergencies are recognized faster and more clearly as authentic emergencies,...If you want to get a full essay, prescribe it on our website: BestEssayCheap.com

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