Liu, Min, Ed. D.2011-03-212017-05-112011-03-212017-05-112001-05http://hdl.handle.net/2152/10612textelectronicengCopyright is held by the author. Presentation of this material on the Libraries' web site by University Libraries, The University of Texas at Austin was made possible under a limited license grant from the author who has retained all copyrights in the works.Electronic digital computersInteractive multimediaComputer-assisted instructionHuman-computer interactionUser interfaces (Computer systems)The relationship between learners' goal orientation and their cognitive tool use and achievement in an interactive hypermedia environment