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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

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