“…Thus, validity and utility in applied settings and with diverse groups of children are less evident for most existing measures of self-regulation. In this study, we examine a revised version of the Head-Toes-Knees-Shoulders task (HTKS-R), a direct assessment of children's behavioral self-regulation that requires multiple executive function (EF) components and has demonstrated strong reliability, validity, and predictive associations with various academic and classroom outcomes (McClelland et al, 2007a(McClelland et al, , 2014Cameron Ponitz et al, 2009;Wanless et al, 2011;Schmitt et al, 2017;Lenes et al, 2020a;Gonzales et al, 2021). This study examines how well the HTKS-R and other measures of EF predict (a) variation in children's academic outcomes in preschool and kindergarten and (b) growth in academic skills during the school transition.…”