This article identifies sixtypes of searches. The first two typesdescribe gradations between fluentsearches and the last four types de-scribe various slow searches. Generallyspeaking, types I and 2 searches areconducted by subjects who have moreexperience in Dialog and CD-Romsearches. They generated fewer paus-es, especially syntax-related pauses,and chuniced more information online.Also, they pause for a shorter timewhen they do pause and have a loweroverall hesitation rate. On the otherhand, other types of the searches areconducted by subjects who have notbuilt up their mental models for on-line searching; those subjects usuallyhave less experience in Dialog and CD-Rom searcbes and less knowledgeabout the topic of the search. Thus,they make more syntax-related pausesespecially in the beginning of thesearches, generate more pauses withlonger duration, chunk less information online and have a higher hesitation rate.