In the theory, sensitive children need double the match rate of typical children in order to form the same level of attachment which leads to a resilient personality. (psychologytoday.com)
This ability is called having a «theory of mind,» and it is a natural ability in typical children. (scientificamerican.com)
This review of toddler developmental milestones is meant to be a general estimate of typical child development. (verywellfamily.com)