Return to the Beck Depression Inventory (Original) page


Script Author: Katja Borchert, Ph.D. ( for Millisecond Software, LLC
Date: 07-29-2014
last updated:  01-05-2016 by K. Borchert ( for Millisecond Software, LLC

Copyright ©  01-05-2016 Millisecond Software


This script implements the Beck's Depression Inventory (BDI) )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.

21-question multiple-choice self-report inventory 

The default data stored in the data files are:

(1) Raw data file: 'BDI_orig.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_orig_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)
/q21:							the numeric score (minus the letter suffix) for each question

/totalscore_BDI:				the sum of all numeric scores (range: 0-63)
/assessment:					According to:
									0–9: indicates minimal depression;
									10–18: indicates mild depression;
									19–29: indicates moderate depression; 
									30–63: indicates severe depression. 
									Higher total scores indicate more severe depressive symptoms.

21-question multiple-choice self-report inventory 
Note: by default, all questions require a response. To change, go to section QUESTIONS
and follow instructions

no instructions published in Beck et al (1961). The provided instructions can be easily edited
under section Editable Parameters.

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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