___________________________________________________________________________________________________________________ Levenson's Self-Report Psychopathy Scale (LSRP) ___________________________________________________________________________________________________________________ Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com) for Millisecond Software, LLC Date: 03-12-2018 last updated: 02-24-2022 by K. Borchert (katjab@millisecond.com) for Millisecond Software, LLC Script Copyright © 02-24-2022 Millisecond Software ___________________________________________________________________________________________________________________ BACKGROUND INFO ___________________________________________________________________________________________________________________ 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. ___________________________________________________________________________________________________________________ OVERVIEW ___________________________________________________________________________________________________________________ 26 4-point Likert questions, self-report ___________________________________________________________________________________________________________________ DURATION ___________________________________________________________________________________________________________________ the default set-up of the script takes appr. 2.5 minutes to complete ___________________________________________________________________________________________________________________ DATA FILE INFORMATION ___________________________________________________________________________________________________________________ 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) 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) total: sum of all scores (Range: 26-104), the higher the score the higher the self-resported level of psychopathy 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) 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 ___________________________________________________________________________________________________________________ INSTRUCTIONS ___________________________________________________________________________________________________________________ see 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