The Japanese Journal of Educational Psychology
Online ISSN : 2186-3075
Print ISSN : 0021-5015
ISSN-L : 0021-5015
Articles
Development, Reliability, and Validity of a Scale of Awareness of Procrastination
SHUN KOHAMA
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2010 Volume 58 Issue 3 Pages 325-337

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Abstract
  The present study reports the development and confirmation on a scale of awareness of procrastination.  The scale measures awareness in 3 time periods in which college students show academic procrastination.  In Study 1, the scale was developed, its validity confirmed, and its internal consistency checked.  In Study 2, the scale’s test-retest reliability was confirmed.  Explorative factor analysis revealed 7 factors.  Confirmative factor analysis supported the 7-factor structure.  The relation between this scale and other procrastination scales verified its discriminant validity, and its relation to personality verified its convergent validity.  The scale described 3 types of procrastination : (a) decisional procrastination with negative emotions, (b) behavioral procrastination with optimistic thinking, and (c) well-planned procrastination for emotional change. Treatments for procrastination were also discussed.
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© 2010 The Japanese Association of Educational Psychology
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