HapticV1, PascalFrancis, Corpus, bibRecord, 000074

Pushing Typists Back on the Learning Curve: Revealing Chunking in Skilled Typewriting

Identifieur interne : 000074 ( PascalFrancis/Corpus ); précédent : 000073; suivant : 000075

Pushing Typists Back on the Learning Curve: Revealing Chunking in Skilled Typewriting

Auteurs : Motonori Yamaguchi ; Gordon D. Logan

Source :

Journal of experimental psychology. Human perception and performance [ 0096-1523 ] ; 2014.

RBID : Pascal:14-0115629

Descripteurs français

Pascal (Inist)
- Dactylographe, Apprentissage, Mémorisation par bloc, Habileté, Performance, Traitement automatique, Etude expérimentale, Motricité, Homme.

English descriptors

KwdEn :
- Automatic processing, Chunking, Experimental study, Human, Learning, Motricity, Performance, Skill, Typist.

Abstract

Theories of skilled performance propose that highly trained skills involve hierarchically structured control processes. The present study examined and demonstrated hierarchical control at several levels of processing in skilled typewriting. In the first two experiments, we scrambled the order of letters in words to prevent skilled typists from chunking letters, and compared typing words and scrambled words. Experiment 1 manipulated stimulus quality to reveal chunking in perception, and Experiment 2 manipulated concurrent memory load to reveal chunking in short-term memory (STM). Both experiments manipulated the number of letters in words and nonwords to reveal chunking in motor planning. In the next two experiments, we degraded typing skill by altering the usual haptic feedback by using a laser-projection keyboard, so that typists had to monitor keystrokes. Neither the number of motor chunks (Experiment 3) nor the number of STM items (Experiment 4) was influenced by the manipulation. The results indicate that the utilization of hierarchical control depends on whether the input allows chunking but not on whether the output is generated automatically. We consider the role of automaticity in hierarchical control of skilled performance.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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Format Inist (serveur)

NO :	PASCAL 14-0115629 INIST
ET :	Pushing Typists Back on the Learning Curve: Revealing Chunking in Skilled Typewriting
AU :	YAMAGUCHI (Motonori); LOGAN (Gordon D.)
AF :	Vanderbilt University/Etats-Unis (1 aut., 2 aut.)
DT :	Publication en série; Compte-rendu; Niveau analytique
SO :	Journal of experimental psychology. Human perception and performance; ISSN 0096-1523; Coden JPHPDH; Etats-Unis; Da. 2014; Vol. 40; No. 2; Pp. 592-612; Bibl. 2 p.1/4
LA :	Anglais
EA :	Theories of skilled performance propose that highly trained skills involve hierarchically structured control processes. The present study examined and demonstrated hierarchical control at several levels of processing in skilled typewriting. In the first two experiments, we scrambled the order of letters in words to prevent skilled typists from chunking letters, and compared typing words and scrambled words. Experiment 1 manipulated stimulus quality to reveal chunking in perception, and Experiment 2 manipulated concurrent memory load to reveal chunking in short-term memory (STM). Both experiments manipulated the number of letters in words and nonwords to reveal chunking in motor planning. In the next two experiments, we degraded typing skill by altering the usual haptic feedback by using a laser-projection keyboard, so that typists had to monitor keystrokes. Neither the number of motor chunks (Experiment 3) nor the number of STM items (Experiment 4) was influenced by the manipulation. The results indicate that the utilization of hierarchical control depends on whether the input allows chunking but not on whether the output is generated automatically. We consider the role of automaticity in hierarchical control of skilled performance.
CC :	002A26D04
FD :	Dactylographe; Apprentissage; Mémorisation par bloc; Habileté; Performance; Traitement automatique; Etude expérimentale; Motricité; Homme
FG :	Processus acquisition; Cognition
ED :	Typist; Learning; Chunking; Skill; Performance; Automatic processing; Experimental study; Motricity; Human
EG :	Acquisition process; Cognition
SD :	Dactilógrafo; Aprendizaje; Memorización por bloque; Habilidad; Rendimiento; Tratamiento automático; Estudio experimental; Motricidad; Hombre
LO :	INIST-3032D.354000500465160130
ID :	14-0115629

Links to Exploration step

Pascal:14-0115629

Le document en format XML

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<front><div type="abstract" xml:lang="en">Theories of skilled performance propose that highly trained skills involve hierarchically structured control processes. The present study examined and demonstrated hierarchical control at several levels of processing in skilled typewriting. In the first two experiments, we scrambled the order of letters in words to prevent skilled typists from chunking letters, and compared typing words and scrambled words. Experiment 1 manipulated stimulus quality to reveal chunking in perception, and Experiment 2 manipulated concurrent memory load to reveal chunking in short-term memory (STM). Both experiments manipulated the number of letters in words and nonwords to reveal chunking in motor planning. In the next two experiments, we degraded typing skill by altering the usual haptic feedback by using a laser-projection keyboard, so that typists had to monitor keystrokes. Neither the number of motor chunks (Experiment 3) nor the number of STM items (Experiment 4) was influenced by the manipulation. The results indicate that the utilization of hierarchical control depends on whether the input allows chunking but not on whether the output is generated automatically. We consider the role of automaticity in hierarchical control of skilled performance.</div>
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Pushing Typists Back on the Learning Curve: Revealing Chunking in Skilled Typewriting

Pushing Typists Back on the Learning Curve: Revealing Chunking in Skilled Typewriting

Source :

Descripteurs français

English descriptors

Abstract

Notice en format standard (ISO 2709)

Format Inist (serveur)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

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