Author: Katja Borchert, Ph.D. (katjab@millisecond.com), Millisecond
Created: January 04, 2013
Last Modified: January 08, 2023 by K. Borchert (katjab@millisecond.com), Millisecond
Script Copyright © Millisecond Software, LLC
This script implements the original Michigan Alcohol Screening Test (MAST) with 25 YES/NO questions* for a self-assessment of social and vocational issues related to heavy drinking as published in:
It was published by: Selzer, M.L. (1971). The Michigan Alcoholism Screening Test: The quest for a new diagnostic instrument. Am J Psychiatry, 127, 1653-1658.
• The wording for question 1, 3, 11, 12 was slightly modified for this script
2 minutes
Questionnaire with 25 binary yes-no questions.
T alcoholic responses to the different questions are weighted, with the least discriminatory alcoholic
responses receiving a 1, more serious discriminatory responses receiving a 2, and diagnostic responses
receiving a 5
Go to "Editable Parameters" to check/edit the default scoring for this questionnaire
Interpretation (Selzer, 1971)
• Totalscore <= 3: nonalcoholic
• Totalscore = 4 : suggestive of alcoholism
• Totalscore > 4: alcoholism
File Name: mast_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 |
| totalScore | Sum of all responses (The higher, the higher the 'alcoholic' response pattern) |
File Name: mast.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: yes - no ( the numeric responses are stored in the summary data file, responses can be weighted, see section Editable Parameters) |
| 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) |