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SHORT-FORM REVISED EYSENCK PERSONALITY QUESTIONNAIRE(EPQR-S)
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Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com) for Millisecond Software, LLC
Date: 08-05-2016
last updated: 11-11-2019 by K. Borchert (katjab@millisecond.com) for Millisecond Software, LLC
Script Copyright © 11-11-2019 Millisecond Software
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BACKGROUND INFO
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This script implements an electronic version of the Short-Form Revised Eysenck Personality Questionnaire (EPQR-S)
originally published in:
Eysenck, S. B. G., Eysenck, H. J., & Barrett, P. (1985). A revised version of the psychoticism scale.
Personality and Individual Differences. 6, 21-29.
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OVERVIEW
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48 yes/no questions: 12 questions on each of 4 scales (Extraversion, Neuroticism, Psychoticism, Lie Scale)
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DURATION
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the default set-up of the script takes appr. 3 minutes to complete
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DATA FILE INFORMATION
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The default data stored in the data files are:
(1) Raw data file: 'epqr_s.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)
Scale: 1 (yes) - 0 (No)
R = automatically reversed scored questions
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)
(2) Summary data file: 'epqr_s_summary.iqdat' (Inquisit Lab: one data file per participant)
computer.platform: the platform the script was run on (win/mac/ios/android)
script.startdate: date script was run
script.starttime: time script was started
script.subjectid: assigned subject id number
script.groupid: assigned group id number
script.sessionid: assigned session id number
script.elapsedtime: time it took to run script (in ms); measured from onset to offset of script
script.completed: 0 = script was not completed (prematurely aborted);
1 = script was completed (all conditions run)
radiobuttons.gender.response: response to gender question
dropdown.age.response: response to age question
age: the assigned age category
Notes: Norms use data reported for the EPQR_S by Eysenck et al (1985, p.24, table 6); no separate norms reported by Satu (2005)
* Norms for ages < 16 AND ages > 70 use the overall mean and standard deviation by default (no separate data provided for these age groups)
* Norms for gender = other: the female norms are used by default
* percentiles and z-score are only calculated if parameters.calculatePercentiles == true
Extraversion: score on the subscale "Extraversion"
z_E: calculated z-score of the Extraversion score (based on data provided by Eysenck et al, 1985)
E_percentile: z-score percentile of the Extraversion score (based on data provided by Eysenck et al, 1985)
Neuroticism: score on the subscale "Neuroticism"
z_N: calculated z-score of the Neuroticism score (based on data provided by Eysenck et al, 1985)
N_percentile: z-score percentile of the Neuroticism score (based on data provided by Eysenck et al, 1985)
Psychoticism: score on the subscale "Psychoticism"
z_P: calculated z-score of the Psychoticism score (based on data provided by Eysenck et al, 1985)
P_percentile: z-score percentile of the Psychoticism score (based on data provided by Eysenck et al, 1985)
Lie: score on the subscale "Lie"
z_L: calculated z-score of the Lie score (based on data provided by Eysenck et al, 1985)
L_percentile: z-score percentile of the Lie score (based on data provided by Eysenck et al, 1985)
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QUESTIONNAIRE SET-UP/SCORING/NORMS
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48 yes/no questions: 12 questions on each of 4 scales (Extraversion, Neuroticism, Psychoticism, Lie Scale)
Scoring:
yes = 1 point, No = 0 point (Reversed where indicated, Eysenck et al, 1985, p.25)
NORMS
z-scores and percentiles of the 4 subscores are calculated based on data provided by Eysenck et al (1985), p.24 (table 6)
Notes:
* Norms for ages < 16 AND ages > 70 use the overall mean and standard deviation by default (no separate data provided for these age groups)
* Norms for gender = other: the female norms are used by default
* percentiles and z-score are only calculated if parameters.calculatePercentiles == true
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INSTRUCTIONS
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slightly altered from Eysenck et al (1985) - edit under section Editable Parameters
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EDITABLE CODE
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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
/calculatePercentiles: true (default)= script automatically calculates the z-score and corresponding percentile based on Eysenck et al (1985), p.24 (table 6)
(setting this parameter to true runs the demographic 'age' and 'gender' questions)
false = script does not automatically calculate z-score and corresponding percentile