Full name of scale |
Circumstances of Onset or Relapse Schedule (modified IRAOS) |
Languages |
English |
Rater |
Clinician-rated |
Training |
Required |
Utility |
It can be used in clinical and research settings. It is a semi-structured interview used to discern the patient’s status and willingness to engage in treatment as well as the circumstances that prompted the current treatment. It can be administered with both patients and family members. It collects demographic data and includes a brief screen of medical history. |
Time to complete |
30-60 minutes |
Cost/license |
Open Access
|
Full name of scale |
Interview for the Retrospective Assessment for the Onset of Schizophrenia |
Languages |
German, English |
Rater |
Psychiatrists, psychologists, and other mental health professionals |
Training |
Training is required |
Utility |
It is a semi-structured, clinical interview used to assess individual premorbid (social) development, and the onset and course of severe mental disorders (e.g., schizophrenia, affective psychoses). It is of special interest for studying onset, prepsychotic prodrome, and early course in early/detection/early-intervention programs. |
Versions |
Original and revised version. The revised version has been extended to encompass all psychotic disorders (affective and non-affective). It is fully compatible with the first version and has been supplemented by data from the population-based ABC Schizophrenia Study. |
Time to complete |
Duration depends on the complexity of the individual’s biography, age, and ability to concentrate. The mean duration is 1.5-2 hours per interview, and about the same amount of time is needed for coding the information |
Cost/license |
Licensed |
Other information |
With this instrument it is possible to collect data from interviews with the patient as well as with a key informant (e.g., a relative) independently. Previously involved psychiatrists, general practitioners, hospitals, etc. are contacted, and all information from past and present medical reports, case records, and similar sources are noted. The best time for carrying out an interview is after an acute episode |
Häfner, H., Riecher-Rössler, A., Hambrecht, M., Maurer, K., Meissner, S., Schmidtke, A., … Van der Heiden, W. (1992). IRAOS: an instrument for the assessment of onset and early course of schizophrenia. Schizophrenia Research, 6(3), 209–223. Follow this link for the article.