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Social sampling: Children track social choices to reason about status hierarchies.

ABSTRACT: We tested whether preschool-aged children (N = 280) track an agents' choices of individuals from novel social groups (i.e., social choices) to infer an agent's social preferences and the social status of the groups. Across experiments, children saw a box containing 2 groups (red and blue toy cats). In Experiment 1, children were randomly assigned to Social Selection in which items were described as "friends," or to Object Selection in which items were described as "toys." Within each selection type, the agent selected 5 items from either a numerically common group (82% of box; selections appearing random) or a numerically rare group (18% of box; selections violating random sampling). After watching these selections, children were asked who the agent would play with among 3 individuals: 1 from the selected group, 1 from the unselected group, or 1 from a novel group. Only participants who viewed Social Selection of a numerically rare group predicted that the agent would select an individual from that group in the future. These participants also said an individual from the selected group was the "leader." Subsequent experiments further probed the Social Selection findings. Children's reasoning depended on the agent actively selecting the friends (Experiment 2), and children thought a member of the rare selected group was the leader, but not the "helper" (Experiment 3). These results illustrate that children track an agent's positive social choices to reason about that agent's social preferences and to infer the status (likelihood of being a leader) of novel social groups. (PsycInfo Database Record (c) 2021 APA, all rights reserved).

SUBMITTER: Heck IA

PROVIDER: S-EPMC8325718 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:Pigs are animals that live in groups and have social hierarchies within the group. After mixing, they can re-establish social hierarchies within several days through fighting. Dominance hierarchical indices, such as I&SI, Elo rating, and Glicko rating, have been used to analyze social hierarchies of some social animals but not pigs. I&SI index involves iterative calculations that first minimize the number of inconsistencies (I) in a dominance matrix, and then minimize the strength of those inconsistencies (SI). Elo rating and Glicko rating indices are based on the sequence in which interactions occur, and continuously update ratings by looking at interactions sequentially. To study the temporal dynamics of social hierarchy formation and maintenance in weaned pigs after mixing, a total of 102 pigs (47 females and 55 barrows) were selected by similar body weight and mixed in 10 pens (10 or 11 females or barrows per pen). Their behavior was recorded and observed for 72 h after mixing. Results showed that hierarchical indices I&SI, Elo rating, and Glicko rating were associated with each other (|r| = 0.681 ~ 0.942, p < 0.001). I&SI was associated with logarithms of frequency of active attack (|r| = 0.65, p < 0.05) and tended to associated with logarithms of frequency of standoff (|r| = 0.48, p < 0.1). Elo rating, and Glicko rating were associated with the logarithms of duration of being bullied (|r| = 0.393~0.401, p < 0.05). In addition, Glicko rating tended to be associated with the logarithms of duration of active attack and frequency of active attack (|r| = 0.416~0.439, p < 0.1). Multiple linear regression analyses of logarithms of dyadic behavior indicators for three hierarchical indices indicated the same effects. The time (hours) to achieve social stability of pigs after mixing was lower for females than barrows (23.06 ± 4.15 vs. 40.55 ± 4.71 h; p < 0.001). The most dominant pig (the first ranked) in each pen quickly appeared within a few hours after mixing and remained stable. Overall, our study demonstrated that the ranks calculated by the three dominance hierarchical indices: I&SI, Elo rating, and Glicko rating, were consistent and partially associated with part of the dyadic behavioral indicators in weaned pigs after mixing.

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Social sampling: Children track social choices to reason about status hierarchies.

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