Gaschler, Robert ORCID: 0000-0002-8576-5330, Kemper, Maike, Zhao, Fang ORCID: 0000-0001-9363-2581, Pumpe, Ina, Ruderisch, Charlotte-Barbara, Röttger, Eva ORCID: 0000-0003-0794-3274 and Haider, Hilde ORCID: 0000-0001-7293-3166 (2018). Differential effects of cue-based and sequence knowledge-based predictability on multitasking performance. Acta Psychol., 191. S. 76 - 87. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 1873-6297

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Abstract

Everyday multitasking often is characterized by predictable sequences. While such sequential regularities are present in setups using the Serial Reaction Time Task (SRTT), many laboratory studies on dual-tasking performance use random sequences of stimuli in either of the two tasks. In the current study, following single-task training on the SRTT, participants completed trials where they were confronted with an additional visual manual task with either a random (Experiment 1) or a partially predictable (Experiment 2) stimulus sequence. In the SRTT, we cued participants with respect to which of the four stimulus options were yet to occur (before a new round with all four options would start). We randomly mixed a sequence to be practiced with random sequences of the same length and with the same constraint. Thus, we were able to vary predictability of up-coming stimuli (from chance to 100%) as well as sequence knowledge (practiced vs. random sequence) in order to assess how cueing and sequence knowledge, as two potential bases of prediction, would affect performance in single- and dual-tasking. Results suggest that both cueing and sequence knowledge-based prediction can lead to shorter RTs in dual-tasking. In previous studies, the disruption of sequence learning by adding a task with a random stimulus sequence has been linked to the effects of automatic prediction between events in the two tasks. In line with these studies, dual-task performance did not impede usage of sequence knowledge when a task with a predictable (rather than random) sequence of stimuli was added to the SRTT.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Gaschler, RobertUNSPECIFIEDorcid.org/0000-0002-8576-5330UNSPECIFIED
Kemper, MaikeUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zhao, FangUNSPECIFIEDorcid.org/0000-0001-9363-2581UNSPECIFIED
Pumpe, InaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ruderisch, Charlotte-BarbaraUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Röttger, Evaroettger.eva@web.deorcid.org/0000-0003-0794-3274UNSPECIFIED
Haider, HildeUNSPECIFIEDorcid.org/0000-0001-7293-3166UNSPECIFIED
URN: urn:nbn:de:hbz:38-166617
DOI: 10.1016/j.actpsy.2018.09.004
Journal or Publication Title: Acta Psychol.
Volume: 191
Page Range: S. 76 - 87
Date: 2018
Publisher: ELSEVIER SCIENCE BV
Place of Publication: AMSTERDAM
ISSN: 1873-6297
Language: English
Faculty: Faculty of Human Sciences
Divisions: Faculty of Human Sciences > Department Psychologie
Subjects: Psychology
Uncontrolled Keywords:
KeywordsLanguage
DUAL-TASK INTERFERENCE; TONE-COUNTING TASK; IMPLICIT; EXPRESSION; SELECTION; MODES; ITEMMultiple languages
Psychology, ExperimentalMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/16661

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