“…finding of this nature based on outdoor play data; however, it is consonant with research 20 showing that a 'child's-eye view' of social success, and of play, can often be at odds with adults' 21 perspectives (Factor, 2004;Fink, Browne, Hughes, & Gibson, 2018). Observation using sensors 22 may present a useful way of understanding the child's social world while overcoming some of 23 the challenges of self-, adult-, or peer-reported measurements.…”