TY - JOUR AU - McEnery,, A.M. AB - Abstract The roles played in an illocutionary act by models of the means of communication and the communicator are distinguished, and qualitative differences between the models appropriate in the two cases identified. Applied to human-computer interaction, this means that a user must have models of the computer both as a communications device and a communications medium, and of the system author as interlocutor. This content is only available as a PDF. © 1989 Butterworth & Co (Publishers) Ltd TI - Modelling devices and modelling speakers JO - Interacting with Computers DO - 10.1016/0953-5438(89)90029-5 DA - 1989-08-01 UR - https://www.deepdyve.com/lp/oxford-university-press/modelling-devices-and-modelling-speakers-QLUzHlZ28R SP - 220 EP - 224 VL - 1 IS - 2 DP - DeepDyve ER -