course, the exposure they gained to that concept might facilitate later learning. In that situation, the initial course had an effect that is impossible to measure. The panelists noted that longitudinal research is important, difficult to conduct, difficult to fund, and relatively rare.



The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement