Known and Unknown Weaknesses in Software Animated Demonstrations (Screencasts): A Study in Self-Paced Learning Settings

Abstract

The ever-growing importance of computer literacy has ensured the continuity of political and scientific interest in computer learning media and environments for over 30 years. Although humancomputer interaction research has strived to facilitate the acquisition of software skills, firstly through the design and exploitation of interfaces that have clear intentions, anticipated semiotics, direct manipulations, real world metaphors, and various other exciting qualities (Shneiderman & Plaisant, 2005) and, secondly, by designating ‘learnability’ as one of the most fundamental usability