“…Fourteen studies measured the development and/or implementation and/or evaluation of a PPM (Arroyo‐Marlés et al, 2018 ; Bloemhof et al, 2021 ; Burke et al, 2018 ; Clavelle & Goodwin, 2016 ; Gentile & Marzinski, 2020 ; Glassman, 2016 ; Holskey & Rivera, 2020 ; Keleekai‐Brapoh & Toresco, 2020 ; Mensik et al, 2017 ; Murphy et al, 2018 ; Olender et al, 2020 ; Oommen et al, 2022 ; Qu et al, 2019 ; Robbins, 2019 ). Eight of the included studies were conducted in the United States of America (Burke et al, 2018 ; Clavelle & Goodwin, 2016 ; Gentile & Marzinski, 2020; Glassman, 2016 ; Holskey & Rivera, 2020 ; Keleekai‐Brapoh & Toresco, 2020 ; Mensik et al, 2017 ; Olender et al, 2020 ), one in Columbia (Arroyo‐Marlés et al, 2018 ), one in Ireland (Murphy et al, 2018 ), one in China (Qu et al, 2019 ), one in the Netherlands (Bloemhof et al, 2021 ), one in the Uinted Arab Emirates (Oommen et al, 2022 ) and one in Scotland (Robbins, 2019 ). The characteristics of the included studies are presented in Table 1 .…”