Which approach to early childhood education is the Montessori method?

Families with stepchildren, foster children, or adoptive children experience greater challenges in developing secure attachments, because

the children frequently run away from such arrangements. some children remain strongly attached to their birth parents. the parents tend not to fully accept the children into their families. the parents' biological children in the family are threatened by "outsiders."

In Piaget's theory, the process of modifying existing cognitive structures in response to experience and new information is called _______________

A) operations B) accommodation C) conservation D) assimilation