Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com), Millisecond
Created: January 25, 2014
Last Modified: January 16, 2023 by K. Borchert (katjab@millisecond.com), Millisecond
Script Copyright © Millisecond Software, LLC
This script implements a computerized version of the Scale of Suicide Ideation (SSI) as described in:
Beck, AT, Kovacs, M. & Weissman, A. (1979). Assessment of Suicidal Intention: The Scale for Suicide Ideation. Journal of Consulting and Clinical Psychology, 47, 43-352.
5 minutes
The SSI is a 19-item instrument to assess suicidal intentions. Each question has 3 answer choices.
Clinician fills out the survey based on a semi-structured interview.
• 19 questions with 3 answer choices each (the answer choice suggesting the least suicide intentions
is scored as 0); question 13 has 4 answer choices (but 2 are weighted the same)
• a SSI Score is determined based on the sum of all individual scores
Not original, can be easily edited under Editable Parameters
File Name: ssi_summary*.iqdat
| 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 |
| ssiTotal | Sum of all response scores Range 0-38: the answer choice suggesting the least suicide intentions is scored as 0 => the higher the score the higher reported suicide intention |
File Name: ssi.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: 0-2 (anchors vary by question) 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) |
The procedure can be adjusted by setting the following parameters.
| Name | Description | Default |
|---|---|---|
| pageInstructions | The instructions that appear at the top of each surveyPage |