Item question | Obs | Sign | Item-test correlation | Item-rest correlation | Average inter-item correlation | Alpha |
---|---|---|---|---|---|---|
DASS-Depression subscale | ||||||
  I found it difficult to work up the initiative to do things | 115 |  +  | 0.5908 | 0.3907 | 0.2151 | 0.6219 |
  I couldn’t seem to experience any positive feeling at all | 115 |  +  | 0.4552 | 0.2263 | 0.2515 | 0.6685 |
  I felt that I had nothing to look forward to | 115 |  +  | 0.6124 | 0.4183 | 0.2093 | 0.6137 |
  I felt down-hearted and blue | 115 |  +  | 0.5742 | 0.3697 | 0.2196 | 0.6280 |
  I was unable to become enthusiastic about anything | 115 |  +  | 0.4266 | 0.1934 | 0.2592 | 0.6774 |
  I felt I wasn’t worth much as a person | 115 |  +  | 0.7136 | 0.5532 | 0.1822 | 0.5720 |
  I felt that life was meaningless | 115 |  +  | 0.6536 | 0.4720 | 0.1983 | 0.5974 |
  Test Scale Reliability (Cronbach’s alpha) |  |  |  |  | 0.2193 | 0.6629 |
DASS-Anxiety subscale | ||||||
  I was aware of dryness of my mouth | 115 |  +  | 0.4242 | 0.1068 | 0.0587 | 0.2722 |
  I experienced breathing difficulty | 115 |  +  | 0.4748 | 0.1657 | 0.0484 | 0.2336 |
  I experienced trembling (e.g. in the hands) | 115 | - | 0.3392 | 0.0130 | 0.0760 | 0.3305 |
  I was worried about situations in which I might panic and make a fool of myself | 115 |  +  | 0.4485 | 0.1347 | 0.0537 | 0.2541 |
  I felt I was close to panic | 115 | - | 0.4349 | 0.1190 | 0.0565 | 0.2643 |
  I was aware of the action of my heart in the absence of physical exertion | 115 |  +  | 0.5410 | 0.2467 | 0.0349 | 0.1781 |
  I felt scared without any good reason | 115 | - | 0.3961 | 0.0751 | 0.0644 | 0.2923 |
  Test Scale Reliability (Cronbach’s alpha) |  |  |  |  | 0.0561 | 0.2937 |
DASS-Stress subscale | ||||||
  I found it hard to wind down | 115 |  +  | 0.6744 | 0.4705 | 0.0963 | 0.3899 |
  I tended to over-react to situations | 115 |  +  | 0.2857 | 0.0052 | 0.1886 | 0.5824 |
  I felt that I was using a lot of nervous energy | 115 |  +  | 0.3669 | 0.0923 | 0.1693 | 0.5501 |
  I found myself getting agitated | 115 |  +  | 0.6929 | 0.4963 | 0.0919 | 0.3777 |
  I found it difficult to relax | 115 |  +  | 0.5571 | 0.3158 | 0.1241 | 0.4595 |
  I was intolerant of anything that kept me from getting on with what I was doing | 115 |  +  | 0.3083 | 0.0291 | 0.1832 | 0.5737 |
  I felt that I was rather touchy | 115 |  +  | 0.6929 | 0.4963 | 0.0919 | 0.3777 |
  Test Scale Reliability (Cronbach’s alpha) |  |  |  |  | 0.1355 | 0.5233 |