“…Most previous studies on the development of locomotion have examined infants alone (Brandone et al, 2020) or infant-caregiver dyads (Clearfield, 2011;Karasik et al, 2011Karasik et al, , 2012Karasik et al, , 2014Mulder et al, 2022;West & Iverson, 2021;Yamamoto et al, 2020) using observations in a laboratory setting (Brandone et al, 2020;Clearfield, 2011;Mulder et al, 2022) or at home (Karasik et al, 2011(Karasik et al, , 2012(Karasik et al, , 2014West & Iverson, 2021;Yamamoto et al, 2020). However, in modern societies, many infants spend time in day-care facilities.…”