Marc Sullivan, James Pratt, Philip T. Kortum: Practical issues in subjective video quality evaluation: human factors vs. psychophysical image quality evaluation.
1-4
Pablo César, Konstantinos Chorianopoulos: Interactivity and user participation in the television lifecycle: creating, sharing, and controlling content.
125-128
Jens F. Jensen: The concept of interactivity -- revisited: four new typologies for a new media landscape.
129-132
William Cooper: The interactive television user experience so far.
133-142