It also had improved factorial structure. Cronbach's α, correlations with four other scales, and loadings onto two separate factors of depression were high in both BDI-O and BDI-L - although they were higher in the BDI-L. However, the M/SD ratio was well balanced in the BDI-L and not in the original and BDI-Y/N versions. It was found that the BDI-O had relatively lesser skew and kurtosis. A sample of 203 male and female volunteer Kuwaiti undergraduates was recruited. Two depression subscales derived from the Symptom Check List-90 and the Hopkins Symptom Check List were also used. Items of the short version were introduced in two response forms: Likert (L) and Yes/No (Y/N) format. e., the last alternative in each item group. The proposed short BDI version contains only 21 statements denoting the highest degree of clinical depression, i. Summary: The original Beck Depression Inventory (BDI-O) consists of 21 item groups.
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