The effect of interruptions on postcompletion and other procedural errors : an account based on the activation-based goal memory model

Yau Wai, Simon LI, Ann BLANDFORD, Paul CAIRNS, Richard M. YOUNG

Research output: Journal PublicationsJournal Article (refereed)Researchpeer-review

48 Citations (Scopus)

Abstract

A postcompletion error (PCE) is a specific kind of cognitive slip that involves omitting a final task step after the main goal of the task is accomplished. It is notoriously difficult to provoke (and hence study) slips under experimental conditions. In this paper, the authors present an experimental task paradigm that has been shown to be effective for studying PCEs in routine procedural tasks. Two studies were carried out to examine the effect of interruption position and task structure on the prevalence of PCEs. It was found that significantly more PCEs were obtained when an interruption occurred just before the PC step than when an interruption occurred at any other position in the task. The authors account for this effect in terms of Altmann and Trafton's activation-based goal memory model. The same interruption effect was obtained for some, but not all, other procedural errors; the authors discuss the nature of these errors and likely explanations for the differences.
Original languageEnglish
Pages (from-to)314-328
Number of pages15
JournalJournal of Experimental Psychology: Applied
Volume14
Issue number4
DOIs
Publication statusPublished - 1 Dec 2008
Externally publishedYes

Cite this

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abstract = "A postcompletion error (PCE) is a specific kind of cognitive slip that involves omitting a final task step after the main goal of the task is accomplished. It is notoriously difficult to provoke (and hence study) slips under experimental conditions. In this paper, the authors present an experimental task paradigm that has been shown to be effective for studying PCEs in routine procedural tasks. Two studies were carried out to examine the effect of interruption position and task structure on the prevalence of PCEs. It was found that significantly more PCEs were obtained when an interruption occurred just before the PC step than when an interruption occurred at any other position in the task. The authors account for this effect in terms of Altmann and Trafton's activation-based goal memory model. The same interruption effect was obtained for some, but not all, other procedural errors; the authors discuss the nature of these errors and likely explanations for the differences.",
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The effect of interruptions on postcompletion and other procedural errors : an account based on the activation-based goal memory model. / LI, Yau Wai, Simon; BLANDFORD, Ann; CAIRNS, Paul; YOUNG, Richard M.

In: Journal of Experimental Psychology: Applied, Vol. 14, No. 4, 01.12.2008, p. 314-328.

Research output: Journal PublicationsJournal Article (refereed)Researchpeer-review

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AB - A postcompletion error (PCE) is a specific kind of cognitive slip that involves omitting a final task step after the main goal of the task is accomplished. It is notoriously difficult to provoke (and hence study) slips under experimental conditions. In this paper, the authors present an experimental task paradigm that has been shown to be effective for studying PCEs in routine procedural tasks. Two studies were carried out to examine the effect of interruption position and task structure on the prevalence of PCEs. It was found that significantly more PCEs were obtained when an interruption occurred just before the PC step than when an interruption occurred at any other position in the task. The authors account for this effect in terms of Altmann and Trafton's activation-based goal memory model. The same interruption effect was obtained for some, but not all, other procedural errors; the authors discuss the nature of these errors and likely explanations for the differences.

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