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We present some of the results of an MHP-based (Multimedia Home Platform) iTV field trial in Salzburg, Austria concerning usability issues and iTV usage.<\/jats:p>\n          <jats:p>We give an introduction to the field trial and an overview of its methods to ensure usability of iTV services and to measure their use. 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A media rich interface vs a simple interface for interactive television http:\/\/cid.nada.kth.se\/pdf\/CID-212.pdf."},{"key":"e_1_2_1_11_1","doi-asserted-by":"publisher","DOI":"10.1145\/286498.286645"},{"key":"e_1_2_1_12_1","volume-title":"EuroiTV'03 Proceedings of the First European Conference on Interactive Television, 133-136","author":"LAMONT S.","year":"2003","unstructured":"LAMONT , S. 2003 . An 8-step process for creating compelling enhanced television . EuroiTV'03 Proceedings of the First European Conference on Interactive Television, 133-136 . LAMONT, S. 2003. An 8-step process for creating compelling enhanced television. EuroiTV'03 Proceedings of the First European Conference on Interactive Television, 133-136."},{"key":"e_1_2_1_13_1","doi-asserted-by":"publisher","DOI":"10.1145\/223355.223512"},{"key":"e_1_2_1_14_1","volume-title":"Proceedings of the HCI International Conference (Crete).","author":"PEMBERTON L.","year":"2003","unstructured":"PEMBERTON , L. AND GRIFFITHS , R. N. 2003 . Evaluation techniques for interactive television . In Proceedings of the HCI International Conference (Crete). PEMBERTON, L. AND GRIFFITHS, R. N. 2003. Evaluation techniques for interactive television. In Proceedings of the HCI International Conference (Crete)."},{"key":"e_1_2_1_15_1","volume-title":"Proceedings of the First European Conference on Interactive TV, 99--107","author":"QUICO C.","year":"2003","unstructured":"QUICO , C. 2003 . Are communication services the killer applications for interactive TV? Or \"I left my wife because I am in love with the TV set.\" In EuroiTV'03 . Proceedings of the First European Conference on Interactive TV, 99--107 . QUICO, C. 2003. Are communication services the killer applications for interactive TV? Or \"I left my wife because I am in love with the TV set.\" In EuroiTV'03. Proceedings of the First European Conference on Interactive TV, 99--107."},{"key":"e_1_2_1_16_1","unstructured":"SERCO USABILITY SERVICES. 2001. 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