After reading aloud a certain fable to his fifth graders, mr osmet asks some students 'so who can you tell me the moral of this story> When the students don't respond immediately he tells them, "the moral is not to judge a book by its cover" Which one of the following alternatives is almost certainly a problem with the teachers strategy?

- he is preventing the student from undergoing conceptual change

-his question is exceeding a student's typica; working mempry capcity

-He isn't allowing sufficient wait time for the student to retrive or construct an answer