{"id":{"repo_id":"queens","oai_identifier":"oai:queensu.scholaris.ca:1974/7364"},"canonical_url":"https://search.dev.ndltd.org/etd/queens/oai:queensu.scholaris.ca:1974/7364","repository":{"repo_id":"queens","name":"Queens University","base_url":"https://qspace.library.queensu.ca/server/oai/request"},"display":{"title":"Foundations of Ingroup Bias and Similarity Bias in 2-Year-Olds","abstract":"The powerful influence of group membership and similarity on perceptions and behaviour is well established; however, questions remain about the developmental trajectory of these patterns and the extent to which similarity bias and ingroup bias are truly distinct. In this thesis, I examined the relative impact of group membership and similarity on matching and non-matching identification, expression of similarity, extension of preferences, transgression attribution, selective helping and resource allocation among 2.5- to 3-year-old children. These findings suggest that early in life, the responses to similarity and group membership are largely overlapping; however, children in the similarity condition were more likely to select the matching puppet in transgression attribution, non-matching identification, and resource allocation. This pattern suggests that children display a stronger approach bias in the similarity condition and that similarity bias shows developmental discontinuity between early and later childhood.","abstract_html":"The powerful influence of group membership and similarity on perceptions and behaviour is well established; however, questions remain about the developmental trajectory of these patterns and the extent to which similarity bias and ingroup bias are truly distinct. In this thesis, I examined the relative impact of group membership and similarity on matching and non-matching identification, expression of similarity, extension of preferences, transgression attribution, selective helping and resource allocation among 2.5- to 3-year-old children. These findings suggest that early in life, the responses to similarity and group membership are largely overlapping; however, children in the similarity condition were more likely to select the matching puppet in transgression attribution, non-matching identification, and resource allocation. This pattern suggests that children display a stronger approach bias in the similarity condition and that similarity bias shows developmental discontinuity between early and later childhood.","abstract_has_math":false,"creators":["O'Neill, Amy"],"institution":null,"degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":"Psychology","school":null,"contributors":[],"advisors":["Kuhlmeier, Valerie"],"committee_chairs":[],"committee_members":[],"year":2012,"date_issued":"2012-08-13","date_published":"2012-08-13","updated_at":"2026-07-27T20:35:19Z","subjects":["Development","Group","Similarity","Psychology"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/1974/7364","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.department","label":"Department","values":["Psychology"]},{"key":"dc:contributor.supervisor","label":"Supervisor","values":["Kuhlmeier, Valerie"]},{"key":"dc:creator","label":"Author","values":["O'Neill, Amy"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2012-08-12 18:08:53.964"]},{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2012-08-13T21:36:41Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2012-08-13T21:36:41Z"]},{"key":"dc:date.issued","label":"Date","values":["2012-08-13"]},{"key":"dc:type","label":"Dc Type","values":["thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Development","Group","Similarity","Psychology"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/1974/7364"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Thesis (Master, Psychology) -- Queen's University, 2012-08-12 18:08:53.964"]},{"key":"dc:description.abstract","label":"Abstract","values":["The powerful influence of group membership and similarity on perceptions and behaviour is well established; however, questions remain about the developmental trajectory of these patterns and the extent to which similarity bias and ingroup bias are truly distinct. In this thesis, I examined the relative impact of group membership and similarity on matching and non-matching identification, expression of similarity, extension of preferences, transgression attribution, selective helping and resource allocation among 2.5- to 3-year-old children. These findings suggest that early in life, the responses to similarity and group membership are largely overlapping; however, children in the similarity condition were more likely to select the matching puppet in transgression attribution, non-matching identification, and resource allocation. This pattern suggests that children display a stronger approach bias in the similarity condition and that similarity bias shows developmental discontinuity between early and later childhood."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["M.Sc."]},{"key":"dc:title","label":"Title","values":["Foundations of Ingroup Bias and Similarity Bias in 2-Year-Olds"]}]}],"canonical_facts":{"dc:contributor.department":["Psychology"],"dc:contributor.supervisor":["Kuhlmeier, Valerie"],"dc:creator":["O'Neill, Amy"],"dc:date":["2012-08-12 18:08:53.964"],"dc:date.accessioned":["2012-08-13T21:36:41Z"],"dc:date.available":["2012-08-13T21:36:41Z"],"dc:date.issued":["2012-08-13"],"dc:description":["Thesis (Master, Psychology) -- Queen's University, 2012-08-12 18:08:53.964"],"dc:description.abstract":["The powerful influence of group membership and similarity on perceptions and behaviour is well established; however, questions remain about the developmental trajectory of these patterns and the extent to which similarity bias and ingroup bias are truly distinct. In this thesis, I examined the relative impact of group membership and similarity on matching and non-matching identification, expression of similarity, extension of preferences, transgression attribution, selective helping and resource allocation among 2.5- to 3-year-old children. These findings suggest that early in life, the responses to similarity and group membership are largely overlapping; however, children in the similarity condition were more likely to select the matching puppet in transgression attribution, non-matching identification, and resource allocation. This pattern suggests that children display a stronger approach bias in the similarity condition and that similarity bias shows developmental discontinuity between early and later childhood."],"dc:description.degree":["M.Sc."],"dc:identifier.uri":["http://hdl.handle.net/1974/7364"],"dc:language.iso":["eng"],"dc:subject":["Development","Group","Similarity","Psychology"],"dc:title":["Foundations of Ingroup Bias and Similarity Bias in 2-Year-Olds"],"dc:type":["thesis"]},"updated_at":"2026-07-27T20:35:19Z"}