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THE SCREEN FOR POSTTRAUMATIC STRESS SYMPTOMS (SPTSS) - Version 2.0
Script Author: Katja Borchert, Ph.D. (firstname.lastname@example.org) for Millisecond Software, LLC
last updated: 01-26-2016 by K.Borchert (email@example.com) for Millisecond Software LLC
Copyright © 01-26-2016 Millisecond Software
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)
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)
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 can easily be edited under EDITABLE CODE -> Editabl Values
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