Usability Views Article Details  home | timeline | recent | popular | e-reports | userati | about this site A Layered Interaction Analysis of Direct Manipulation (01 Dec 1992) Article URL: http://www.useit.com/papers/direct_manipulation.html Read 328 more articles from Jakob Nielsen sorted by date, popularity, or title. Next Article: Snow's Two Cultures Revisited: Perspective from Design in Human-Computer Interfaces This site is a labour of love built by Chris McEvoy