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The Snaith Hamilton Pleasure Scale (SHAPS)
SCRIPT INFO
Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com) for Millisecond Software, LLC
Date: 03-06-2018
last updated: 03-06-2018 by K.Borchert for Millisecond Software LLC
Script Copyright © 03-06-2018 Millisecond Software
BACKGROUND INFO
*Purpose*
This script implements a computerized version of the Snaith Hamilton Pleasure Scale (SHAPS) as described in:
Snaith RP, Hamilton M, Morley S, Humayan A, Hargreaves D, Trigwell P. (1995). A scale
for the assessment of hedonic tone the Snaith-Hamilton Pleasure Scale. Br J Psychiatry.Jul;167(1):99-103
*Task*
14 4-point Likert scale items (when scored the scale gets simplified into binary categories)
DATA FILE INFORMATION:
The default data stored in the data files are:
(1) Raw data file: 'shaps.iqdat'
date, time, group, subject: date and time script was run with the current group/subjectnumber
build: the Inquisit build
q*_response: response given (in assigned values)
4 = strongly disagree, 3 = disagree, 2 = agree, 1 = strongly agree
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: 'shaps_summary.iqdat' (Inquisit Lab: one data file per participant)
script.startdate: date script was run
script.starttime: time script was started
script.subjectid: subject id number
script.groupid: group id number
script.elapsedtime: time it took to run script (in ms)
computer.platform: the platform the script was run on
/completed: 0 = script was not completed (prematurely aborted); 1 = script was completed (all conditions run)
/Total: the total score based on all simplified question scores (Range: 0-14)
strongly disagree/disagree => 1 point
strongly agree/agree => 0 point
/q1: the simplified score for question 1
strongly disagree/disagree => 1 point
strongly agree/agree => 0 point
radiobuttons.q1.response: question 1 raw response: 4 = strongly disagree, 3 = disagree, 2 = agree, 1 = strongly agree
(same for the remaining questions)
QUESTIONNAIRE SET-UP
14 4-point Likert scale items (when scored the scale gets simplified into binary categories)
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