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Description of  User-Centered Interaction Design Patterns for Interactive Digital Television Applications

Technology is meant to make life easier and to raise its quality. Our interaction with technology should be designed according to human needs instead of us being required to adapt to technology. Even so, technology may change quickly and people and their habits change slowly. With the aim of supporting user acceptance of iTV, the focus of this book is on the usability of iTV applications. A method for developing interaction design patterns especially for new technologies is presented for the first time. The main characteristics covered in this new approach are: systematic identification of recurrent design problems usability as a quality criterion for design solutions integration of designers into the pattern development process including identification of designers' needs, and iterative evaluation and optimisation of patterns to encourage designers to accept and use them usability testing to identify proven design solutions and their trade-offs presentation of specific design guidelines.