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									DRUG ABUSE SCREENING TEST (DAST)
SCRIPT INFO

Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com) for Millisecond Software, LLC
last updated: 01-08-2016 by K.Borchert (katjab@millisecond.com) for Millisecond Software LLC

Copyright © 01-08-2016 Millisecond Software


BACKGROUND INFO

											*Purpose*
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


											  *Task*
28 yes-no questions


DATA FILE INFORMATION: 
The default data stored in the data files are:

(1) Raw data file: 'DAST.iqdat'

date, time, subject:			date and time script was run with the current subjectnumber 
build:							the Inquisit build 

q*_response:					response given (in assigned values)
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)

(2) Summary data file: 'DAST_summary*.iqdat' (a separate file for each participant)

script.startdate:				date script was run
script.starttime:				time script was started
script.subjectid:				subject id number
script.groupid:					group id number
script.elapsedtime:				time it took to run script (in ms)
computer.platform:				the platform the script was run on
/completed:						0 = script was not completed (prematurely aborted); 1 = script was completed (all conditions run)
totalscore:						calculates the total score as the sum of all individual answers (abuse affirmative = 1; other = 0)
/q1-q28:						the numeric score for each individual question (abuse affirmative = 1; other = 0)
/number_misseditems:			counts how many items were not answered 
									(only relevant if /required = false for the individual questions)
/misseditems:					a string variable that saves all questions that were skipped 
									(only relevant if /required = false for the individual questions)

OVERVIEW
As a default all questions require a response to move on, to change this 
go to QUESTIONS and set all /required = true to /required = false

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