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					THE SCREEN FOR POSTTRAUMATIC STRESS SYMPTOMS (SPTSS)  - Version 2.0
SCRIPT INFO

Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com) for Millisecond Software, LLC
Date: 02-25-2014
last updated: 01-26-2016 by K.Borchert (katjab@millisecond.com) for Millisecond Software LLC

Copyright © 01-26-2016 Millisecond Software


BACKGROUND INFO

											*Purpose*
This script implements the Screen for Posttraumatic Stress Symptoms (SPTSS)  Version 2.0. A description of the
SPTSS can be found in:

Carlson, E.B. (2001).Psychometric Study of a Brief Screen for PTSD:Assessing the Impact of Multiple Traumatic Events. 
Assessment, 8, 431-441.

A paper version of the SPTSS (version 2.0) was retrieved from:
Carlson. (2012) . The Screen for Posttraumatic Stress Symptoms (SPTSS) . Measurement Instrument
Database for the Social Science. Retrieved from www.midss.ie

Version 2.0 differs from Version 1.0 in the number of answer categories (version 1.0: 0-10; version 2.0: 0-4)


											  *Task*
Participants are asked to answer 17 dropdown questions pertaining PTSD symptoms within the last 2 weeks 
by choosing a number from 0 - 4 for each question.

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

(1) Raw data file: 'SPTSS_2_0.iqdat' 

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

q*_response:					response given (in assigned values)
q*_latency:						how much time the participant spent on the surveypage with this particular question
									(the last time this particular surveypage was visited)

(2) Summary data file: 'SPTSS_2_0_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:					the sum of all individual scores
/countquestions:				counts the number of question answered
									Note: this is only relevant if /required = false for each survey question
/SPTSS_Score: 					the average score (takes into account only those questions that have been answered)


QUESTIONNAIRE SET-UP
The questionnaire adapts the layout of the paper and pencil questionnaire to the computer screen.
The 17 questions are spread out over 4 survey pages. Each page repeats the instructions and
participants can go back and forth between pages.

INSTRUCTIONS
Instructions can easily be edited under EDITABLE CODE -> Editabl Values

EDITABLE CODE:
check below for (relatively) easily editable parameters, stimuli, instructions etc. 
Keep in mind that you can use this script as a template and therefore always "mess" with the entire code to further customize your experiment.

The parameters you can change are:

/pageinstructions:			the instructions that appear at the top of each surveypage
/subinstructions:			further instructions

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