Siegal (1997), Has Argued That Conversational Factors in the Standard

Siegal (1997) , has argued that conversational factors in the standard Piaget testing situations may limit young childrens' capacity to express their genuine understanding of abstract concepts. Which of the following is an example of the potential confusing factors?

A) Confusion over language
B) Fascination with the task
C) Insincerity
D) All of the above