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Description: The identified victim effect is the phenomenon in which people tend to contribute more to identified than to unidentified victims. Kogut and Ritov (2005a) found that the identified victim effect was limited to a single victim and driven by empathic emotions. In a pre-registered experiment with an online U.S. American MTurk sample on CloudResearch (N = 2003), we conducted a close replication and extension of Experiment 2 from Kogut and Ritov (2005a). The replication findings failed to provide empirical support for the identified single victim effect hypothesis since we found no evidence of differences in willingness to contribute when comparing a single identified victim to a single unidentified victim. (η2p = .00, 90% CI [0.00, 0.00]), and no indication for the target article’s interaction between singularity and identifiability (original: η2p = .062, 90% CI [0.01, 0.15]; replication: η2p = .00, 90% CI [0.00, 0.00]). Extending the replication to conduct a conceptual replication of Kogut and Ritov (2007), we investigated a boundary condition of the effect - group belonging. We found support for an ingroup bias in helping behaviors and indications for empathic emotions and perceived responsibility contributing to this effect. We discuss differences between our study and the target article and implications for the literature on the identified victim effect.

License: CC-By Attribution 4.0 International

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Kogut and Ritov (2005): Replication & extension | Registered: 2020-04-25 19:05 UTC

Please see pre-registration folder for RR pre-registration materials, Qualtrics survey, simulated random dataset, JAMOVI and R data analysis code. (F...

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Kogut and Ritov (2005): Replication & extension | Registered: 2020-04-25 18:56 UTC

Please see pre-registration folder for RR pre-registration materials, Qualtrics survey, simulated random dataset, JAMOVI and R data analysis code

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