Does Metaphor Increase Visual Language Usability?
Previous research suggests that graphical metaphor should increase the usability of visual programming languages (VPLs) by providing an instructional aid when learning to use the language. This paper describes three experiments which manipulated the degree of metaphor in VPLs. (2000-10-08)
The link address is: http://www.cl.cam.ac.uk/~afb21/publications/VL99.html