Interactive coordination was observed in laboratory play interactions of pairs of 29 clinicallydepressed and 14 nondepressed mothers and their 13–29-month-old children(M = 18.9 months). Nondepressed mothers and their children displayed moreinteractive coordination than depressed-mother dyads (p < .001). Depressedmothers were less likely to repair interrupted interactions, and their toddlers were less likely tomaintain interactions than nondepressed controls. Toddlers matched their nondepressed but nottheir depressed mothers' negative behavior rates. Results suggested that early interventionsfocus on training mothers to attend to, maintain, and repair mother–child interactions tomore closely approximate normal levels of interactive coordination.