Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com), Millisecond
Last Modified: January 27, 2023 by K. Borchert (katjab@millisecond.com), Millisecond
Script Copyright © Millisecond Software, LLC
This script implements the Kessler Psychological Distress Scale K6. The implemented procedure is based on:
Kessler, R.C., Barker, P.R., Colpe, L.J., Epstein, J.F., Gfroerer, J.C., Hiripi, E., Howes, M.J, Normand, S-L.T., Manderscheid, R.W., Walters, E.E., Zaslavsky, A.M. (2003). Screening for serious mental illness in the general population Archives of General Psychiatry. 60(2), 184-189
https://www.hcp.med.harvard.edu/ncs/k6_scales.php
1.5 minutes
Scored question: Question1 with 6 5-point Likert questions scored on scale 0-4
several additional questions that do not contribute to the total score
The scored questions in this survey are q1a-q1f. The additional questions do not contribute to scoring.
File Name: k6_summary.iqdat' (Inquisit Lab: one data file per participant)
| Name | Description |
|---|---|
| inquisit.version | Inquisit version number |
| computer.platform | Device platform: win | mac |ios | android |
| startDate | Date the session was run |
| startTime | Time the session was run |
| subjectId | Participant ID |
| groupId | Group number |
| sessionId | Session number |
| elapsedTime | Session duration in ms |
| completed | 0 = Test was not completed 1 = Test was completed |
| k6TotalScore | The sum of questions q1a-q1f (scored on scale 0 'none of the time' to 4 'all of the time) Range: 0-24 |
File Name: k6.iqdat
| Name | Description |
|---|---|
| date | Date the session was run |
| time | Time the session was run |
| subject, group, session | With the current subject/groupnumber/session id |
| build | Inquisit version number |
| q*_response | Response given (in assigned values) Scale: q1a-q1f (the main 6 questions) are scored on a scale 0 (none of the time) - 4 (all of the time) q2: 1 ('more often than usual: a lot') to 7 ('less often than usual: a lot') q3-q4: number of days q5: number of times q6: 1 ('all of the time') to 5 ('none of the time) NO reversed scored questions |
| q*_latency | How much time (in ms) the participant spent on the surveyPage with this particular question (the last time this particular surveyPage was visited) |