Listening comprehension is regarded theoretically as an active process in which individuals concentrate on selected aspects of aural input, form meaning from passages, and associate what they hear with existing knowledge. Cognitive psychology defines comprehension as information processing. Schemata are the guiding structures in the comprehension process. The schema is described by Rumelhart (1980, p. 34) as ―a data structure for representing the generic concepts stored in memory. It can be used to represent our knowledge about all concepts: those underlying objects, situations, events, sequences of events, actions and sequences of actions.‖ According to the cognitive comprehension theory, ―schema‖ means an abstract textual structure that the listener uses to make sense of the given text. The listener makes use of linguistic and situational cues and also the expectations he/she has about the new input to evoke schemata. When a schema has been evoked, it will become a guiding structure in comprehension. If the incoming information is matched with the schema, then the listeners have succeeded in comprehending the text; if they are not compatible, either the information or the schema will be discarded or modified. The principle of schema leads to two fundamental modes of information processing: bottom-up processing and top-down processing. These two processing intersect to develop an interactive processing. Thus, models for listening process fall into three types.