Procrastination is a concept that has been greatly evaluated, and has a quite wide place in literature. Procrastination is defined as to putt off intended tasks to another time. As for academic procrastination, it is a subfield of procrastination and is an important problem that affects individual’s academic achievement, interpersonal interaction. With the research, it is seen that the basis of academic procrastination is consisted of unrealistic thoughts regarding failure, and such situations as anxiety, perfectionism and failure in time management. In addition, it is seen that academic procrastination can be a behavioral reflection of several psychological disorders. In this respect, in the present study, definitions and theoretical approaches regarding procrastination, and types of procrastination are reviewed. 

It is often come across with the concept of personal well being in the studies within the scope of positive psychology. For years, personal well being had been defined as not to exist any defect in individuals’ lives, being healthy in general manner. With the recent conducted studies, it is demostrated that concept of personal well being is not limited only with this definition. As this concept has got wider, various theories have showed up. The main aim of this review is providing a general information regarding the concept of well being that develops by development of positive psychology, and to emphasize the factors that affect personal well being by reviewing its theoratical approaches.