Our capacity for "thinking without language" is best illustrated by Group of answer choices 1. the representativeness heuristic. 2. fixation. 3. the belief perseverance phenomenon. 4. the framing effect. 5. unconscious information processing.

Answer: (5) Unconscious information processing

Explanation:

Unconscious information processing is execution of information, perception of information, learning data etc in unconscious manner. This process occurs automatically from mind which has capability to think and motivate without using language.

Other options are incorrect because fixation, method of preserving belief, frame effect and representativeness heuristic are done in presence of consciousness for processing any information. Thus, the correct option is option (5).