EN
In speech, linguistic signs that the speaker wants to convey have to be produced in an order that is both appropriate to the intended content and formally acceptable. Therefore, speech planning has to proceed ahead of actual articulation. If this were not the case, speech could not be fluent. However, due to that asynchronicity of planning and execution, the speaker may inadvertently anticipate a linguistic sign that was intended to come later and pronounce it at an earlier point (that is, commit an ordering error known as anticipation). In the present paper, the authors have studied a total of 650 instances of anticipation taken from two corpora: a speech material consisting of slips of the tongue reduced to transcription on-line, and a 13.5-hour-long tape recording of spontaneous speech. They have analysed the properties of the utterances containing anticipation errors, as well as the distance of anticipation in each case. Misplaced linguistic items are mostly speech sounds or sequences (fragments of words); also, to a lesser extent, whole words or affixes; differences between the two corpora are significant in that respect. The speaker is capable of planning a higher number of linguistic signs ahead of pronouncing them than the listener is capable of recalling when recording the error in writing.