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Function point metrics were initially designed through expert judgments. The underlying measurement model has not been clearly stated, and this has generated some confusion as to the true nature of these metrics and their usefulness in fields other than their initial Management Information System domain. When viewed without reference to implicit models hidden in the expert judgments, function points constitute a potpourri of measurement scales. This suggests that each step could represent a transcend the measurement scales and maintain or improve the desired relationship with development effort.