Drug Abuse Screening Test - DAST

Technical Manual

Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com), Millisecond

Last Modified: January 25, 2023 by K. Borchert (katjab@millisecond.com), Millisecond

Script Copyright © Millisecond Software, LLC

Background

This script implements the Drug Abuse Screening Test (DAST) published by

Skinner, H.A. (1982). The drug abuse screening test. Addictive Behaviors, 7, 363–371.

The DAST provides an way to screen for drug abuse using 28 self-report "yes/no" questions.

A paper and pencil version can be downloaded from: www.drtepp.com/pdf/substance_abuse.pdf

Duration

3 minutes

Description

28 yes-no questions

Summary Data

File Name: dast_summary*.iqdat

Data Fields

NameDescription
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 Calculates the total score as the sum of all individual answers
(abuse affirmative = 1; other = 0)
Range: 0 - 28

Raw Data

File Name: dast.iqdat

Data Fields

NameDescription
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 = no; 1 = yes
R = automatically 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)