As well as helping clarify
effective videogame design, the model can help studios make tough commercial decisions about which audiences they can or should be pursuing with a specific design concept.
At the recent MI6
videogame conference a study presented by Gregory Short and Geoffery Zatkin, heads of the Electronic Entertainment
Design and Research group (EEDAR), found that when it comes to sales of
videogames a trailer is far more
effective than a demo.