“…In terms of the service approach, seven papers utilized intergenerational learning ( S. Arthanat, 2019 ; Brown & Strommen, 2018 ; Chiu et al, 2019 ; Skye N. Leedahl et al, 2019 ; LoBuono et al, 2019 , 2020 ; Seguí et al, 2019 ), one paper used a peer tutor approach ( Jobling, 2014 ), and three papers used professional tutors ( Loi et al, 2017 ; Seo et al, 2019 ; Xie, 2012 ). Additionally, seven of these papers used a one-to-one teaching style ( Arthanat et al, 2019 ; Brown & Strommen, 2018 ; Fields et al, 2020 ; S. N.; Leedahl et al, 2019b ; LoBuono et al, 2020 , 2019 ; Seguí et al, 2019 ), while four of these papers conducted group activities ( Beh et al, 2018 ; Chiu et al, 2019 ; Czaja et al, 2012 ; Xie, 2012 ).…”