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