Proofreading one's own writing is difficult due to the overfamiliarity of one's writing, which has been claimed to conceal errors, even extraneous errors inserted by someone else (as in collaborative writing). In the present research, we examined whether increasing one's familiarity with text can indeed have a negative influence on error…

In the present study, we examined error detection/correction during collaborative writing. Subjects were asked to identify and correct errors in two contexts: a passage written by the subject (familiar text) and a passage written by a person other than the subject (unfamiliar text). A computer program inserted errors in function words prior to the…