Exploring factors shaping social robot acceptance in older-adult care: insights from Brazilian caregivers - Churata, Diana Verônica Portugal; Fantinato, Marcelo; Peres, Sarajane Marques; Yassuda, Monica Sanches; Melo, Ruth Caldeira de; Cachioni, Meire; Paradeda, Raul Benites (Expert Systems: the journal of knowledge engineering, 2026)