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						Levenson's Self-Report Psychopathy Scale (LSRP)
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Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com) for Millisecond Software, LLC
Date: 03-12-2018
last updated:  10-09-2019 by K. Borchert (katjab@millisecond.com) for Millisecond Software, LLC

Script Copyright © 10-09-2019 Millisecond Software

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BACKGROUND INFO 	
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This script implements a computerized version of the Levenson's Self-Report Psychopathy Scale (LSRP) as described in:

Levenson, M. R., Kiehl, K. A., & Fitzpatrick, C. M. (1995). Assessing psychopathic attributes in a noninstitutionalised
population. Journal of Personality and Social Psychology, 68, 151–158.

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OVERVIEW
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26 4-point Likert questions, self-report

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DURATION 
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the default set-up of the script takes appr. 2.5 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: 'lsrp.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 (disagree strongly) - 4 (agree strongly)
									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: 'lsrp_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)
							
expressions.total:					sum of all scores (Range: 26-104), the higher the score the higher the self-resported level of psychopathy 

expressions.PP:					Primary Psychopathy (measures callous, selfish and manipulative interpersonal attitudes) (Range: 16-64)
								sum of (q1, q2, q3, q4, q5, q6, q7, q8, q9, q10R, q11, q12R, q13, q14R, q15R, q16R)
								
expressions.SP:					Secondary Psychopathy (measures impulsivity and a self-defeating lifestyle) (Range: 10 - 40)
								sum of (q17, q18, q19R, q20, q21, q22, q23R, q24, q25, q26)
								R= reversed scored

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INSTRUCTIONS 
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see 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