Felix Zappe 
Fundamentals of Procrastination. Introduction of basic concepts and approaches regarding procrastination [PDF ebook] 

Document from the year 2017 in the subject Psychology – Work, Business, Organisation, grade: 2, 3, University of Malta (Edward de Bono Institute), course: Research Methods, language: English, abstract: The term procrastination is nowadays rather widespread even in popular culture and media. The term is defined as the tendency to delay the beginning or the completion of an action beyond a time so that the successful accomplishment of the task is hardly possible and the postponement results in discomfort (Solomon and Rothblum, 1984; Steel, 2007).
It is possible to discriminate between different kinds of procrastinators, as the underlying mechanics differ. The several types of procrastination are (Rückert, 2014):
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