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Titolo:
Is judgment of random time intervals biased and capacity-limited?
Autore:
Vandierendonck, A;
Indirizzi:
State Univ Ghent, Dept Expt Psychol, B-9000 Ghent, Belgium State Univ Ghent Ghent Belgium B-9000 xpt Psychol, B-9000 Ghent, Belgium
Titolo Testata:
PSYCHOLOGICAL RESEARCH-PSYCHOLOGISCHE FORSCHUNG
fascicolo: 2, volume: 63, anno: 2000,
pagine: 199 - 209
SICI:
0340-0727(200006)63:2<199:IJORTI>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
WORKING-MEMORY; RANDOM SEQUENCES; RANDOM GENERATION; THRESHOLD THEORY; RESPONSE BIAS; VARIABLES; INDEXES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Citazioni:
34
Recensione:
Indirizzi per estratti:
Indirizzo: Vandierendonck, A State Univ Ghent, Dept Expt Psychol, Henri Dunantlaan 2,B-9000 Ghent, Belgium State Univ Ghent Henri Dunantlaan 2 Ghent Belgium B-9000
Citazione:
A. Vandierendonck, "Is judgment of random time intervals biased and capacity-limited?", PSYCHOL RES, 63(2), 2000, pp. 199-209

Abstract

Recently, random generation of time intervals has been proposed as a procedure to impair executive processing in a dual-task paradigm without substantial interference with phonological and visuo-spatial working memory resources. A fundamental assumption of this procedure is that humans are able to distinguish time sequences on their degree of randomness. The present studytests this assumption. To this end, nonbiased, repetition-biased, alternation-biased sequences and repetitive rhythms were judged under conditions ofhigher or lower executive load. In Exp. 1, load depended on the presentation speed, while in Exp. 2, a dual-task condition was used with either a concurrent number-copying task or an arithmetic task. It was found that the participants could distinguish repetitive rhythms from more or less random sequences, and that both accuracy of this judgment and latency were affected by the concurrent load. The findings are taken as a first indication that random time judgment is capacity-limited.

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Documento generato il 11/07/20 alle ore 19:04:27