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With the increasing prevalence of social robots in homes and the recognized importance of parent-child exchanges for children\u2019s developmental milestones, this work presents a comprehensive empirical investigation involving more than 70 parent-child dyads over a period of 1 to 2 months. We examined the effects of three robot interaction styles\u2014a passive robot listener, an active robot with a fixed behavior strategy, and an active robot with a strategy-switching mechanism\u2014on parent-child conversational dynamics. Our findings reveal that a robot\u2019s active participation enhances the quality of parent-child dialogic conversations. The influence of robot facilitation varied on the basis of parental English proficiency. Strategy-switching robots provided greater benefits to non\u2013native English\u2013speaking families, whereas dyads with native English\u2013speaking parents benefited more from fixed-strategy robots. Overall, this study highlights the promise of social robots that empower parents in fostering their children\u2019s dialogic development\u2014a contrast with the prevalent design of educational robots that primarily target children. It provides critical insights into the equitable, nuanced design of long-term family-robot interactions at home, especially in supporting diverse family backgrounds.<\/jats:p>","DOI":"10.1126\/scirobotics.adk3307","type":"journal-article","created":{"date-parts":[[2025,3,12]],"date-time":"2025-03-12T17:58:21Z","timestamp":1741802301000},"update-policy":"https:\/\/doi.org\/10.34133\/aaas_crossmark","source":"Crossref","is-referenced-by-count":16,"title":["Social robots as conversational catalysts: Enhancing long-term human-human interaction at home"],"prefix":"10.1126","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3609-1904","authenticated-orcid":true,"given":"Huili","family":"Chen","sequence":"first","affiliation":[{"name":"Personal Robots Group, Media Lab, Massachusetts Institute of Technology, Cambridge, MA, USA."}]},{"given":"Yubin","family":"Kim","sequence":"additional","affiliation":[{"name":"Personal Robots Group, Media Lab, Massachusetts Institute of Technology, Cambridge, MA, USA."}]},{"given":"Kejia","family":"Patterson","sequence":"additional","affiliation":[{"name":"Personal Robots Group, Media Lab, Massachusetts Institute of Technology, Cambridge, MA, USA."}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0587-2065","authenticated-orcid":true,"given":"Cynthia","family":"Breazeal","sequence":"additional","affiliation":[{"name":"Personal Robots Group, Media Lab, Massachusetts Institute of Technology, Cambridge, MA, USA."}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9638-1722","authenticated-orcid":true,"given":"Hae Won","family":"Park","sequence":"additional","affiliation":[{"name":"Personal Robots Group, Media Lab, Massachusetts Institute of Technology, Cambridge, MA, USA."}]}],"member":"221","reference":[{"key":"e_1_3_2_2_2","unstructured":"S. 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