On the basis of the Research Project funded by the Spanish Ministry of Education under the title "Design, production and evaluation of a 2.0 learning environment for faculty training in the use of Information and Communication Technologies (ICTs)" (EDU2009-08 893), experts have used the external competence coefficient to evaluate the…

An empirical study examined the effects of two influencing factors in usability tests on user performance and usability ratings. Product aesthetics (high vs. low) as the main independent factor and prior usage event (positive vs. negative) as a subsidiary independent factor were varied in a between-participants design. 60 participants took part in…

This paper reviews the established principles of composition of visual images, discussing the application of those principles to moving visual images in general and television pictures in particular. Fundamental compositional principles of the visual communication media are explored in relation to television as an art form--namely, direction,…