O VARIANTĂ REDUSĂ A SCALELOR DE DEPRESIE, ANXIETATE ŞI STRES (DASS)
A Reduced Variant of the Depression Anxiety Stress Scales (DASS)

Summary/Abstract: DASS (Depression Anxiety Stress Scales) is an instrument of selfassessment built by S. H. Lovibond and P. F. Lovibond. It is composed of three scales that measure depression, anxiety and stress. Each scale contains 14 items. The DASS variant adapted in Romanian language (DASS−r) does not have a good validity: its scales correlate pretty strong between them and the coefficient of correlation between the Beck Depression Inventory (BDI) and the Anxiety scale (r=.68) is higher than the one between BDI and the Depression scale (r=.63). For this reason, we built a reduced variant (DASS21−r), in which every scale contains 7 items extracted from DASS−r. DASS21−r has a factorial structure similar to the one of the DASS−r variant. The coefficients of correlation betwen the scales from DASS21−r are comprised between.73 and.76, being smaller than the ones between the scales from DASS−r (that are comprised between .79 and .83), and the coefficient of correlation between the Anxiety scale and BDI (r=.57) is smaller than the one between the Depression scale and BDI (r=.65). Thus, DASS21−r has a better validity than DASS−r. The coefficeints of internal consistency of the scales from DASS21−r are smaller than the ones of the scales corresponding to those from DASS−r with less than .08.

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