≪Organizer Abstract≫
Social evaluation is a key feature of human collaborative society. Even young human infants socially evaluate others, monitoring their third-party interactions. Some nonhuman species including primates and dogs may also evaluate others as "good" or "bad" according to how they behave toward third parties. This symposium focuses on perception of others' behavior and possible precursors of "morality" in terms of ontogeny and evolution. The speakers are specialists in the behavior of reptiles, domestic dogs, nonhuman primates, human infants, and schoolchildren. Each has developed original approaches to explore how individuals perceive interactions between others, with some focusing on sensitivity to, and violations of fairness, reciprocity, or helpfulness between third parties. Topics to be covered in the symposium include the cognitive/affective processes involved in social perception and evaluation, expectancies about others' behavior, and directionality, such as negativity bias.

What makes a conspecific? The role of different types of information on conspecific perception in reptiles

[Speaker] Wilkinson, Anna:1
[Co-author] Frohnwieser, Anna:1, Murray, John C:2, Kis, Anna:3, Pike, Thomas W:1
1:School of Life Sciences, University of Lincoln, Lincoln, UK (United Kingdom), 2:School of Computer Science, University of Lincoln, Lincoln, UK (United Kingdom), 3:Research Centre for Natural Sciences, Hungarian Academy of Sciences, Budapest, Hungary (Hungary)

Building blocks of moral competence: Do infants link the domains of harm and fairness?

[Speaker] Surian, Luca:1
[Co-author] Meristo, Marek:2, Ueno, Mika:3, Itakura, Shoji:3
1:University of Trent, Italy (Italy), 2:University of Gothenburg, Sweden (Sweden), 3:University of Kyoto, Japan (Japan)

Third-party-based social evaluations by capuchin monkeys

[Speaker] Anderson, James R:1
[Co-author] Kuroshima, Hika:1, Takimoto, Ayaka:1, Bucher, Benoit:1, Fujita, Kazuo:1
1:Kyoto University (Japan)

Young children s motivation to share earned resources with peers

[Speaker] Schaefer, Marie:1
[Co-author] Haun, Daniel:2, Tomasello, Michael:1
1:Max Planck Institute for Evolutionary Anthropology (Germany), 2:University of Leipzig (Germany)

Third-party affective evaluation of humans in domestic dogs (Canis familiaris)

[Speaker] Fujita, Kazuo:1
[Co-author] Chijiiwa, Hitomi:1, Hori, Yusuke:1, Kuroshima, Hika:1, Anderson, James R:1
1:Kyoto University (Japan)

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