Composite scales of morninghess and preferences : preliminary validity data in Peruvian undergraduates

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<title>Composite scales of morninghess and preferences : preliminary validity data in Peruvian undergraduates</title>
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<title>Ergonomics</title>
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<name type="personal" usage="primary" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080241674">
<namePart>Díaz-Morales, J. F.</namePart>
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<name type="personal" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080274184">
<namePart>Sánchez-López, M. P.</namePart>
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<dateIssued encoding="marc">2005</dateIssued>
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<abstract>The aim of this study is to offer preliminary results about the validity of the composite morningness scale (CS) and the early-late preferences scale (PS) in a Peruvian sample. The relationship of both scales with the level of self-reported alertness</abstract>
<note type="statement of responsibility">J. F. Díaz-Morales and M. P. Sánchez-López</note>
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<topic>Ergonomía</topic>
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<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080568504">
<topic>Cronoergonomía</topic>
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<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080588458">
<topic>Trabajo por turnos</topic>
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<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080577940">
<topic>Ritmo circadiano</topic>
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<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080537845">
<topic>Perú</topic>
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<classification authority="">875</classification>
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<title>Ergonomics</title>
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<publisher>London and Washington</publisher>
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<text>Vol. 48, nº 4, 15 March 2005 ; p. 354-363</text>
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