Shy toddlers act bold: The roles of respiratory sinus arrhythmia and parent emotion language

Shy children show reticence in social contexts, presumably as a way of regulating their fear. The present study evaluated whether toddler physiological regulation and parent emotion language facilitated shy toddlers' (21-24 months) engagement with an unfamiliar female examiner. Toddler high basal respiratory sinus arrhythmia was positively associated with bold approach with the examiner. Parent emotion explanations were positively associated...