CDS was applied for 13 children, inpatients at neighboring psychiatric wards and 60 children attending a neighboring junior high school. Both groups were roughly matched in terms of sex and age. In treating CDS scores, a special process was introduced by the author in our research, in which D-scores and P-scores were separately counted and analysed. This process was prompted by the view that the so-called 'inability to experience pleasure' is the critical point in distinguishing the morbid depressive mood of patients from the ordinary gloomy mood of non-patients. The results indicated that the new procedure in CDS scoring was apparently more effective for rating depressiveness with CDS.