Perfectionism is a complex construct with multiple dimensions, and it is a key diagnostic criterion for certain psychological disorders. Researchers have developed a multidimensional measure of perfectionism, identifying several key dimensions, including excessive concern over making mistakes, high personal standards, perception of high parental expectations, perception of high parental criticism, doubting the quality of one's actions, and a preference for order and organization. These dimensions have been linked to various psychopathological symptoms and behaviors, such as procrastination. Some subscales of the Multidimensional Perfectionism Scale (MPS) have been associated with positive achievement striving and work habits. The MPS is highly correlated with one existing measure of perfectionism, while other measures show only moderate correlations. Future research should consider the multidimensional nature of perfectionism. Perfectionism is a widespread and debilitating problem, linked to various psychological and physical disorders. Despite its presumed seriousness, few studies have been conducted on perfectionism due to its varied and nonspecific definitions. The literature emphasizes the setting of excessively high personal standards as central to the concept of perfectionism. However, this definition does not distinguish between normal and neurotic perfectionists. Normal perfectionists set high standards but allow for some flexibility, while neurotic perfectionists are overly concerned with mistakes and rarely feel their work is sufficient. The psychological problems associated with perfectionism are more closely linked to these critical evaluation tendencies than to the setting of high standards. The literature also highlights the importance of fear of mistakes in defining perfectionism, as perfectionists often strive for goals due to a fear of failure rather than a need for achievement.Perfectionism is a complex construct with multiple dimensions, and it is a key diagnostic criterion for certain psychological disorders. Researchers have developed a multidimensional measure of perfectionism, identifying several key dimensions, including excessive concern over making mistakes, high personal standards, perception of high parental expectations, perception of high parental criticism, doubting the quality of one's actions, and a preference for order and organization. These dimensions have been linked to various psychopathological symptoms and behaviors, such as procrastination. Some subscales of the Multidimensional Perfectionism Scale (MPS) have been associated with positive achievement striving and work habits. The MPS is highly correlated with one existing measure of perfectionism, while other measures show only moderate correlations. Future research should consider the multidimensional nature of perfectionism. Perfectionism is a widespread and debilitating problem, linked to various psychological and physical disorders. Despite its presumed seriousness, few studies have been conducted on perfectionism due to its varied and nonspecific definitions. The literature emphasizes the setting of excessively high personal standards as central to the concept of perfectionism. However, this definition does not distinguish between normal and neurotic perfectionists. Normal perfectionists set high standards but allow for some flexibility, while neurotic perfectionists are overly concerned with mistakes and rarely feel their work is sufficient. The psychological problems associated with perfectionism are more closely linked to these critical evaluation tendencies than to the setting of high standards. The literature also highlights the importance of fear of mistakes in defining perfectionism, as perfectionists often strive for goals due to a fear of failure rather than a need for achievement.