What is the primary characteristic of the preoperational stage of cognitive development?


According to Piaget, what is the ability to think logically about hypothetical situations and use abstract reasoning?


In terms of language development, what does "overextension" mean?


Which of the following is an example of a teratogen?


Which type of attachment is characterized by children who are upset when their caregiver leaves but are easily comforted when they return?


According to Vygotsky, what is the term for the gap between what a child can do alone and what they can do with help?


What is the term for the understanding that objects continue to exist even when they cannot be seen?


In Erikson?s psychosocial stages, what is the primary conflict during adolescence?


According to Piaget, during which stage do children begin to understand conservation, the idea that quantity remains the same even when the shape changes?