Which one of the following statements is consistent with the textbook's recommendations for promoting retrieval?
A. Show students how to use the keyword method to help them remember lists of 10 items or more.
B. At the secondary school level, always use essay tests rather than multiple-choice tests.
C. Teach students how to create and use their own retrieval cues.
D. Spend approximately two-thirds of each class day reviewing things that students already know.