The influence of response grouping on free-choice decision making in a response selection task

Khan, Michael A.; Mourton, Stuart; Buckolz, Eric; Adam, Jos J.; Hayes, Amy E.

doi:10.1016/j.actpsy.2010.01.008

Cited by 3 publications

(1 citation statement)

References 17 publications

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“…One important difference between both studies concerns the definition of R1-R2 compatibility: In Experiment 1 of Thomson and Watter, participants responded with the same finger in compatible trials (because only two response keys were used for both tasks), but in their Experiment 2, compatibility was based on finger homology. Thus, in compatible trials, participants either responded with the same or with two homologous fingers in succession, and a special coupling of homologous fingers is well known (Cohen, 1971; Janczyk & Kunde, 2014; Janczyk, Skirde, Weigelt, & Kunde, 2009; Khan, Mourton, Buckolz, Adam, & Hayes, 2010). In contrast, in the study by Schubert et al (2008), R1-R2 compatibility was defined by the spatial left–right feature of both responses (given with two hands).…”

Section: Discussionmentioning

confidence: 99%

Identifying the locus of compatibility-based backward crosstalk: Evidence from an extended PRP paradigm.

Janczyk¹,

Renas²,

Durst³

2018

Journal of Experimental Psychology: Human Perception and Perfor

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The backward crosstalk effect (BCE) in dual tasking means that characteristics of Task 2 of 2 subsequently performed tasks influence Task 1 performance. This observation indicates that certain features of the second response are already activated to some degree before the first response is selected. Therefore, the BCE challenges bottleneck models, which assume that Task 2 response selection does not begin until Task 1 response selection is finished. Instead, an extended model with a capacity-unlimited response activation stage prior to the bottleneck as the locus of the BCE was suggested. To determine the exact locus of the BCE within the stages of task processing, 5 experiments were carried out. Experiments 1 to 4 were psychological refractory period-like experiments with 3 subsequent tasks. A prebottleneck locus of the BCE was ruled out in Experiments 1 to 3 by using the locus of slack logic. Additionally, a postbottleneck locus of the BCE was ruled out in Experiment 4 by using the effect propagation logic. To further support this latter conclusion, Experiment 5 applied a go-signal manipulation. Taken together, the results of all 5 experiments strongly suggest that the BCE has its locus in the capacity-limited stage, which contradicts the widely accepted notion that a capacity-unlimited stage of response activation preceding response selection proper is the locus of the BCE. (PsycINFO Database Record

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