Figure from a chapter by Gavelek, J.R., Raphael, T.E., Biondo, S.M., & Wang, D. (2000). In M.L. Kamil, P.B. Mosenthal, P.D. Pearson, & R. Barr (Eds.), Handbook of Reading Research: Volume III. Mahwah, NJ: Lawrence Erlbaum Associates. Posted here by permission of the publisher.