“…Are the humans and machines engaged in a genuine interdependence relationship in which they can make their intent and goals observable? (see Hoffman, Hancock, & Bradshaw, 2010; Hoffman, Marx, Amin, & McDermott, 2010; Klein, Woods, Bradshaw, Hoffman, & Feltovich, 2004). These latter, important dimensions of effectivity are completely missed by the limited and sterile HEAT methods, which are frequently employed as exclusive representations of work system activity.…”