PTSD Checklist for DSM V - PCL-5

Technical Manual

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

Created: March 13, 2018

Last Modified: December 10, 2025 by K. Borchert (katjab@millisecond.com), Millisecond

Script Copyright © Millisecond Software, LLC

Background

This script implements the PTSD Checklist Civilian Version (PCL-5) by the National Center for PTSD - Behavioral Science Division The PCL-C is a PTSD Checklist for DSM-V

References

https://www.ptsd.va.gov/professional/assessment/adult-sr/ptsd-checklist.asp

Duration

2 minutes

Description

20 5-point Likert scale, self-report

Scoring

for more info on scoring, see: https://www.ptsd.va.gov/professional/assessment/documents/PCL-5_Standard.pdf

Summary Data

File Name: pcl_5_summary.iqdat

Data Fields

NameDescription
inquisit.version Inquisit version number
computer.platform Device platform: win | mac |ios | android
computer.touch 0 = device has no touchscreen capabilities; 1 = device has touchscreen capabilities
computer.hasKeyboard 0 = no external keyboard detected; 1 = external keyboard detected
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
totalSeverityScore The sum of all individual questions (Range: 0-80)
suggested cut-off point for PTSD: 33
dsmvCriteria DSMV Criteria = 1 (responses reached DSM V criteria for PTSD)
=> positive criteria B, positive criteria C, positive criteria D, positive criteria E
DSMV Criteria = 0 => the responses did not reach DSM V criteria for PTSD
criteriaB 1 (positive for DSM V criteria B for PTSD)
At least one B-item was 'positively' rated (= 2 or above) (B-items: question 1-5)
0 = negative for DSM V criteria B for PTSD
criteriaC 1 (positive for DSM V criteria C for PTSD)
At least one C-item was 'positively' rated (= 2 or above) (C-items: question 6-7)
0 = negative for DSM V criteria C for PTSD
criteriaD 1 (positive for DSM V criteria D for PTSD)
At least two D-items were 'positively' rated (= 2 or above) (D-items: question 8-14)
0 = negative for DSM V criteria D for PTSD
criteriaE 1 (positive for DSM V criteria E for PTSD)
At least two E-items were 'positively' rated (= 2 or above) (E-items: question 15-20)
0 = negative for DSM V criteria E for PTSD
q1-q20 Recoded raw responses (0-4) into a binary response (0 or 1)
1 = the response was 2 or above (participant chose at least 'moderately' for the individual question) => positive
0 = the response was 0 or 1 => negative

Raw Data

File Name: PCL_5.iqdat

Data Fields

NameDescription
date Date the session was run
time Time the session was run
subject Participant ID
group Group number
session Session number
build Inquisit version number
q*_response Response given (in assigned values 1-5, no reverse coding required)
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)