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Every article on Frontiers is peer reviewed, permanently archived and free to read.

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Original Research
Published 9 October 2026
The impact of encouraging utterances by a human partner and a conversational robot on older adults’ subjective well-being: a 6-week sustained interaction
Lingxuan Xiang · Hideaki Kikuchi
Frontiers in Robotics and AI
doi 10.3389/frobt.2026.1866995
Original Research
Published 26 August 2026
An online survey of encouragement strategies for older adults’ daily worries: a conversational robot versus a human partner
Lingxuan Xiang · Marin Nishimura · Hideaki Kikuchi
Frontiers in Robotics and AI
doi 10.3389/frobt.2026.1843519