Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com), Millisecond
Created: January 31, 2020
Last Modified: January 03, 2025 by K. Borchert (katjab@millisecond.com), Millisecond
Script Copyright © Millisecond Software, LLC
This script implements a computerized version of The Center for Epidemiologic Studies Depression Scale (CESD) - Revised (R)
Radloff LS. The CES-D scale: a self-report depression scale for research in the general population. Applied Psychological Measurement. 1977;1:385-401.
Eaton WW, Muntaner C, Smith C, Tien A, Ybarra M. Center for Epidemiologic Studies Depression Scale: Review and revision (CESD and CESD-R). In: Maruish ME, ed. The Use of Psychological Testing for Treatment Planning and Outcomes Assessment. 3rd ed. Mahwah, NJ: Lawrence Erlbaum; 2004:363-377.
https://cesd-r.com/about-cesdr/ From the webpage: "The CESD-R is in the public domain so it is free to use in your research."
2 minutes
20 questions, 5-point Likert Scale, self-report
The 20 questions cover the following 9 domains of depression: Sadness(Dysphoria) Loss of Interest(Anhedonia) Appetite Sleep Thinking / concentration Guilt(Worthlessness) Tired(fatigue) Movement(Agitation) Suicidal ideation
see section Editable Parameters
File Name: cesd_r_summary.iqdat' (Inquisit Lab: one data file per participant)
| Name | Description |
|---|---|
| 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 |
Determining Categories |
|
| noClinicalSignificance | True (1): Participants scored less than 16 in expressions.CESD_RTotalscore1 false (0): otherwise |
| subthreshholdDepression | True (1)= Participant scored at least 16 in expressions.CESD_RTotalscore1 but had 'false' (0) (did not qualify for) in expressions.PossibleMajorDepressiveEpisode false (0)= otherwise OR: "fullfills Criteria for a possible Major Depressive Episode" |
| possibleMajorDepressiveEpisode | True (1) = Participant selected the most severe response ('nearly every day for the last 2 weeks') to all Dysphoria and Anhedonia questions as well as selected the most severe response ('nearly every day for the last 2 weeks') Or second severe response ('5-7 days last week') in at least 2 other DSM symptom groups false (0) = otherwise |
| probablyMajorDepressiveEpisode | True (1): Participant selected the most severe response ('nearly every day for the last 2 weeks') to all Dysphoria and Anhedonia questions as well as selected the most severe response ('nearly every day for the last 2 weeks') Or second severe response ('5-7 days last week') in at least 3 other DSM symptom groups false (0) = otherwise |
| majorDepressiveEpisode | True (1): Participant selected the most severe response ('nearly every day for the last 2 weeks') to all Dysphoria and Anhedonia questions as well as selected the most severe response ('nearly every day for the last 2 weeks') in at least 4 other DSM symptom groups false (0) = otherwise |
Total Scores |
|
| cesdRTotalScore1 | Sum of responses to all 20 questions (on scale 0-4); Range: 0 - 80) |
| cesdRTotalScore2 | Sum of responses to all 20 questions (on scale: 0, 1, 2, 3, 3); Range 0 - 60 this total score scores the last response option ('nearly every day for the last 2 weeks') with a 3 to make the totalscore comparable to the original CESD score |
Subscale Scores |
|
| dysphoria | Sum of q2,4,6 (on scale 0-4), Range: 0-12 |
| anhedonia | Sum of q8,10 (on scale 0-4), Range: 0-8 |
| appetite | Sum of q1,18 (on scale 0-4), Range: 0-8 |
| sleep | Sum of q5,11,19 (on scale 0-4), Range: 0-12 |
| concentration | Sum of q3,20 (on scale 0-4), Range: 0-8 |
| guilt | Sum of q9,17 (on scale 0-4), Range: 0-8 |
| tired | Sum of q7,16 (on scale 0-4), Range: 0-8 |
| movement | Sum of q12,13 (on scale 0-4), Range: 0-8 |
| suicidalIdeation | Sum of q14,15 (on scale 0-4), Range: 0-8 |
File Name: cesd_r.iqdat
| Name | Description |
|---|---|
| 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) Scale: 0 (not at all) - 4 (almost every day for 2 weeks) |
| 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) |
The procedure can be adjusted by setting the following parameters.
| Name | Description | Default |
|---|---|---|
| pageInstructions | The instructions that appear at the top of each surveyPage |