Data from: Task-switching costs promote the evolution of division of labor and shifts in individuality

 

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Title SI Exploring the Conditions Under Which Division of Labor Evolves
Downloaded 64 times
Description In this section of the paper, we presented an additional experiment performed using the Avida digital evolution software in which we vary the environmental conditions and explore whether or not division of labor will evolve. Within this file, the treatments are: a. unlimited resources b. mutations occur during individual replication c. migration rate of 10% We used the shannon column to compute the information in the text.
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Title SI Intrinsic Task-Switching Costs
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Description In this section of the paper, we presented an additional experiment performed using the Avida digital evolution software in which we limited the number of types of tasks available in the environment to 3, while maintaining the same resources levels, and resource requirements for replication (1000 units) as our other experiments. Within this file, the treatments are: e1000-3more. 1000 resources, 0 task-switching costs. d1000-3more. 1000 resources, 25 task-switching costs. e1000-3-more. 1000 resources, 50 task-switching costs. We used the shannon column to compute the information in the text.
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Title SI Twenty-Five-Role-Environment Experiments
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Description In this section of the paper, we presented an additional experiment performed using the Avida digital evolution software platform in which we provided the organisms with 25 simpler tasks that they could perform. Within this file, the treatments are: d. 1000 resources, 0 task-switching costs. e. 1000 resources, 25 task-switching costs. f. 1000 resources, 50 task-switching costs. We used the shannon column to compute the information in Figure S1(a) and the demereact column to compute the information in Figure S2(b).
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Title Task-Switching Costs Promote Division of Labor
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Description This file describes the results of our central experiment performed using the Avida digital evolution software platform. Specifically, it provides the mean amount of Shannon mutual information among tasks and individuals across three resource requirements (250, 500, and 1000) using three task-switching costs (0, 25, 50). Within this file, the treatments are: a. 500 resources, 0 task-switching costs. d. 500 resources, 25 task-switching costs. e. 500 resources, 50 task-switching costs. a250. 250 resources, 0 task-switching costs. d250. 250 resources, 25 task-switching costs. e250. 250 resources, 50 task-switching costs. a1000. 1000 resources, 0 task-switching costs. d1000. 1000 resources, 25 task-switching costs. e1000. 1000 resources, 50 task-switching costs. We used the shannon column to compute the information in Table 2. Additionally, information from the demereact column is used to discuss the number of types of tasks performed by the various treatments.
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When using this data, please cite the original publication:

Goldsby HJ, Dornhaus A, Kerr B, Ofria C (2012) Task-switching costs promote the evolution of division of labor and shifts in individuality. Proceedings of the National Academy of Sciences of the United States of America 109(34): 13686–13691. http://dx.doi.org/10.1073/pnas.1202233109

Additionally, please cite the Dryad data package:

Goldsby HJ, Dornhaus A, Kerr B, Ofria C (2012) Data from: Task-switching costs promote the evolution of division of labor and shifts in individuality. Dryad Digital Repository. http://dx.doi.org/10.5061/dryad.f8j02
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