Return to the Beck Depression Inventory II page


Script Author: Katja Borchert, Ph.D. ( for Millisecond Software, LLC
Date: 07-29-2014
last updated:  04-10-2018 by K. Borchert ( for Millisecond Software, LLC

Copyright ©  04-10-2018 Millisecond Software

Millisecond Software thanks Dr. Sylvain Iceta for sharing his French translations!


This script implements the Beck's Depression Inventory II (BDI-II).
The BDI was originally introduced in:

Beck, AT, Ward, CH, Mendeson, M, Mock, J. & Erbaugh, J. (1961). An Inventory for Measuring Depression. 
Archives of General Psychiatry,6 , 561-571.

and revised in 1996.

21-question multiple-choice self-report inventory 

The default data stored in the data files are:

(1) Raw data file: 'BDI_II_French.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: 'BDI_II_French_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_BDI:				the sum of all numeric scores (Range: 0-63)
/assessment:					According to:
									0–13: minimal depression
									14–19: mild depression
									20–28: moderate depression
									29–63: severe depression.

check under EDITABLE CODE 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

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