This study investigated the moderating effect of the self-regulation skills of children on their temperamental traits and on the mother's parenting behaviour. The random sampling method was used to obtain the study's participants: 253 children attending pre-school and their mothers. Research data was collected using the 'The child behaviour list short form' 'Alabama Parenting Questionnaire' 'Self-regulation assessment'. The results reveal that diligent control and self-regulation skills directly influence positive parental behaviour and that the relationship between diligent control and positive behaviour is differentiated depending on the self-regulating capacity of a child. Second, this study determined that negative affect temperament and self-regulation skills directly influence negative parental behaviour and that the relationship between negative affect and negative parental behaviour differs in accordance with a child's self-regulation skills.