As a case study, Mr. Hanson uses a film in his history class. He believes the film helps students understand westward expansion and the role of various cultural groups and key events. Mr. Hanson prefaces the film by giving students a list of concepts and events to focus their attention. During class, Mr. Hanson shows the entire film, leaves the lights on for notetaking, and pauses periodically to provide opportunity for brief questions and discussion. What aspect of this plan does Mr. Hanson need to CHANGE?

A. Wait until after the showing of the film to conduct discussion.
B. Show parts of the film rather than the entire film.
C. Turn off lights and ask students to use memory strategies rather than taking notes.
D. Mr. Hanson's plan is good and does not need to be changed.