| The over-assisting interface: The role of support in knowledge acquisition (2004) | |||||||||||||
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| THE OVER ASSISTING INTERFACE THE ROLE SUPPORT KNOWLEDGE ACQUISITION Christof van Nimwegen Hermina Tabachneck Schijf Institute Information and Computing Sciences Center for Content and Knowledge Engineering Padualaan Utrecht The Netherlands christof herre schijf Herre van Oostendorp ABSTRACT The premise this research that support interface can make interactions easier but does not necessarily support understanding and more importantly knowledge acquisition Interfaces often display certain relevant information making recall such knowledge unnecessary relieving working memory example greying out menu items indicating that action not possible experiment was conducted which subjects solved series puzzles hypothesized that providing greyed out items externalization yields better performance during initial learning interface without greying out internalization expected yield better performance and knowledge later phases Subjects solved puzzle two conditions with greyed out items and without Externalization had little influence performance All subjects learned how solve the puzzle With acquired knowledge was different Procedural knowledge afterwards was equal but declarative knowledge concerning the central puzzle rule was worse for those who had greyed out items Also months later the same internalization subjects had faster problem recognition the task and better performance similar task Keywords Interface representation knowledge acquisition planning More than decade ago Carroll pr | |||||||||||||
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