___________________________________________________________________________________________________________________ BECK'S DEPRESSION INVENTORY (BDI) ___________________________________________________________________________________________________________________ Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com) for Millisecond Software, LLC Date: 07-29-2014 last updated: 02-17-2022 by K. Borchert (katjab@millisecond.com) for Millisecond Software, LLC Script Copyright © 02-17-2022 Millisecond Software ___________________________________________________________________________________________________________________ BACKGROUND INFO ___________________________________________________________________________________________________________________ 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. ___________________________________________________________________________________________________________________ OVERVIEW ___________________________________________________________________________________________________________________ 21-question multiple-choice self-report inventory Note: by default, all questions require a response. To change, go to section QUESTIONS and follow instructions ___________________________________________________________________________________________________________________ DURATION ___________________________________________________________________________________________________________________ the default set-up of the script takes appr. 3 minutes to complete ___________________________________________________________________________________________________________________ DATA FILE INFORMATION ___________________________________________________________________________________________________________________ The default data stored in the data files are: (1) Raw data file: 'bdi_orig.iqdat' date, time: date and time script was run with the current group/subjectnumber subject, group, session: with the current subject/groupnumber/session id build: the Inquisit build q*_response: response given (in assigned values: 0-3 with additional letters to reference response subcategories) 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) inquisit.version: Inquisit version run computer.platform: the platform the script was run on (win/mac/ios/android) startdate: date script was run starttime: time script was started subjectid: assigned subject id number groupid: assigned group id number sessionid: assigned session id number elapsedtime: time it took to run script (in ms); measured from onset to offset of script completed: 0 = script was not completed (prematurely aborted); 1 = script was completed (all conditions run) q1- 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: http://en.wikipedia.org/wiki/Beck_Depression_Inventory 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. ___________________________________________________________________________________________________________________ INSTRUCTIONS ___________________________________________________________________________________________________________________ no instructions published in Beck et al (1961). The provided instructions can be easily edited under section Editable Parameters. ___________________________________________________________________________________________________________________ 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