...Psychological Bulletin 2007, Vol. 133, No. 1, 65–94 Copyright 2007 by the American Psychological Association 0033-2909/07/$12.00 DOI: 10.1037/0033-2909.133.1.65 The Nature of Procrastination: A Meta-Analytic and Theoretical Review of Quintessential Self-Regulatory Failure Piers Steel University of Calgary Procrastination is a prevalent and pernicious form of self-regulatory failure that is not entirely understood. Hence, the relevant conceptual, theoretical, and empirical work is reviewed, drawing upon correlational, experimental, and qualitative findings. A meta-analysis of procrastination’s possible causes and effects, based on 691 correlations, reveals that neuroticism, rebelliousness, and sensation seeking show only a weak connection. Strong and consistent predictors of procrastination were task aversiveness, task delay, selfefficacy, and impulsiveness, as well as conscientiousness and its facets of self-control, distractibility, organization, and achievement motivation. These effects prove consistent with temporal motivation theory, an integrative hybrid of expectancy theory and hyperbolic discounting. Continued research into procrastination should not be delayed, especially because its prevalence appears to be growing. Keywords: procrastination, irrational delay, pathological decision making, meta-analysis Procrastination is extremely prevalent. Although virtually all of us have at least dallied with dallying, some have made it a way of life. Estimates indicate...
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...This page intentionally left blank The Study of Language This best-selling textbook provides an engaging and user-friendly introduction to the study of language. Assuming no prior knowledge of the subject, Yule presents information in short, bite-sized sections, introducing the major concepts in language study – from how children learn language to why men and women speak differently, through all the key elements of language. This fourth edition has been revised and updated with twenty new sections, covering new accounts of language origins, the key properties of language, text messaging, kinship terms and more than twenty new word etymologies. To increase student engagement with the text, Yule has also included more than fifty new tasks, including thirty involving data analysis, enabling students to apply what they have learned. The online study guide offers students further resources when working on the tasks, while encouraging lively and proactive learning. This is the most fundamental and easy-to-use introduction to the study of language. George Yule has taught Linguistics at the Universities of Edinburgh, Hawai’i, Louisiana State and Minnesota. He is the author of a number of books, including Discourse Analysis (with Gillian Brown, 1983) and Pragmatics (1996). “A genuinely introductory linguistics text, well suited for undergraduates who have little prior experience thinking descriptively about language. Yule’s crisp and thought-provoking presentation of key issues works...
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