Correction to: Scientific Reports https://doi.org/10.1038/s41598-018-30382-0, published online 18 September 2018
This Article contains errors.
In this Article we aimed to put the findings by Smaldino et al.1 with respect to the sensitivity of the time-window into perspective, by relating them to the exemplified study on social learning in great tits by Aplin and colleagues2. Our inference, however, proved incorrect, due to a different interpretation of the ‘events’ in the ‘2,000 threshold’ they identified as producing the sigmoid curve in absence of conformity. We interpreted it as the cumulative sum of events for all individuals, so that 367 birds observing a mean of 6 interactions (as in Aplin et al.2) would exceed the threshold, whereas the correct interpretation was the number of events for each individual, i.e. 6, thus largely below this threshold.
As a result, the following section of the Discussion is incorrect and should be removed:
“Note also that the time window of ~2,000 observation events that Smaldino et al. identify as the threshold after which the sigmoid can be produced in absence of conformity is not that large, given that events in the models represent individual interactions. To put this into perspective, Smaldino et al.’s exemplary study in which a time-window (245 seconds) is applied presents evidence for the sigmoid based on more than 2,000 interactions (i.e., 367 birds observing a mean of 6 interactions, leading to a total number of 367*6 = 2,202 observation events). This means that the sigmoid as reported in Aplin et al. could have emerged in the absence of individual-level conformity.”
Additionally, this Article contains errors in Reference 1 which was incorrectly given as:
Smaldino, P. E., Aplin, L. M. & Farine, D. R. Do Sigmoidal Acquisition Curves Indicate Conformity? Sci. Rep. 8, 14015 (2018).
The correct reference is listed below as Reference 1.
The Article also contains error in Reference 4 which was incorrectly given as:
Aplin, L. M. et al. Experimentally induced innovations lead to persistent culture via conformity in wild birds. 518, 538–541 (2015).
The correct reference is listed below as Reference 2.
The conclusions of the Article are unaffected by these changes.
References
Smaldino, P. E., Aplin, L. M. & Farine, D. R. Sigmoidal Acquisition Curves Are Good Indicators of Conformist Transmission. Sci. Rep. 8, 14015 (2018).
Aplin, L. M. et al. Experimentally induced innovations lead to persistent culture via conformity in wild birds. Nature 518, 538–541 (2015).
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Acerbi, A., van Leeuwen, E.J.C., Haun, D.B.M. et al. Author Correction: Reply to ‘Sigmoidal Acquisition Curves are Good Indicators of Conformist Transmission’. Sci Rep 9, 6241 (2019). https://doi.org/10.1038/s41598-019-40288-0
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DOI: https://doi.org/10.1038/s41598-019-40288-0
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