Based on previous research in the field of cognitive psychology, highlighting the facilitatory effects of titles on several text-related activities, this paper looks at the extent to which titles reflect text content. An exploratory study of real-life technical documents investigated the content of their Subject lines, which linguistic analyses had led us to regard as titles. The study showed
... [Show full abstract] that most of the titles supplied by the writers failed to represent the documents' contents and that most users failed to detect this lack of validity.