%0 Journal Article %T The Effects of a Web-Based Learning Environment on Student Motivation in a High School Earth Science Course %A Wang, Shiang-Kwei %A Reeves, Thomas %J Educational Technology Research and Development %V 54 %N 6 %P 597-621 %@ 1042-1629 %D 2006-11-21 %I Kluwer Academic Publishers %~ DeepDyve