Compared with a categorical system, a dimensional approach to classification

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A dimensional approach to classification allows for a continuum of symptoms to be described, rather than relying on cut-off scores for discrete categories. This allows for a more comprehensive description of symptoms, including those that may not fit neatly into traditional categorical systems. Additionally, a dimensional approach may allow for greater cross-cultural validity, as it does not rely on specific cultural norms for diagnosis. Finally, interrater reliability should not decrease with a dimensional approach, as long as clear and systematic rating scales are used.

Compared with a Categorical System, a Dimensional Approach to Classification