More generally, the ELIZA effect describes any situation[2][3] where, based solely on a system's output, users perceive computer systems as having "intrinsic qualities and abilities which the software controlling the (output) cannot possibly achieve"[4] or "assume that [outputs] reflect a greater causality than they actually do".[5] In both its specific and general forms, the ELIZA effect is notable for occurring even when users of the system are aware of the determinate nature of output produced by the system.