FIG. 14.1. Diagram for a U.S. hierarchical structure.
Copyright American Psychological As-
sociation (2003), reprinted by permission fromJournal of Educational Psychology, 95(2).395 FIG. 14.1. Diagram for a U.S. hierarchical structure.
Copyright American Psychological As-
sociation (2003), reprinted by permission fromJournal of Educational Psychology, 95(2).395