What matters most to older adults? A systematic review of preferences for socially assistive robots.

BACKGROUND: The current level of social acceptance of socially assistive robots (SARs) remains limited. Research on user preferences plays an essential role in improving the acceptance of SARs among older adults. This study aimed to integrate evidence on older adults' preferences for SARs to provide personalized guidance and establish a foundation for their future use in home care environments. METHODS: We searched 7 databases to find any studies designed to focus on the preferences of older adults for SARs. The quality of the included studies was assessed using the Mixed Methods Appraisal Tool (MMAT). RESULTS: A total of 21 studies were included. Although studies on older adults' preferences for SARs varied considerably in design and scope, several consistent patterns emerged: (1) older adults preferred SARs that assist with household tasks; (2) they favored voice-based interaction; (3) they preferred human-like appearances; (4) their preferences regarding privacy, data storage, control, autonomy, and emotional or social interaction; and (5) most viewed SARs as assistants or companions. CONCLUSION: This review highlights the diversity of older adults' preferences for SARs, including service functions, communication, appearance, and ethical considerations. Future research should address these preferences to promote acceptance and support the integration of socially assistive robots into home care settings.