Answer: Meta-parenting
Explanation:Meta-parenting is the parenting strategy in which the parents tend to think about their parenting technique and try to add and improve the style and knowledge of parenting to make it more effective. This technique involves the  effortlessness so that the interaction of parents with the child can be easy.
The aim of this techniques is to observes and test the thinking, activities ,influence etc, parenting style is going to be efficient between infant or toddler and the parent. Delia is also using meta-parenting scheme.