Return to the Need for Cognition Scale page
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						THE NEED FOR COGNITION SCALE - 18 item format
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Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com) for Millisecond Software, LLC
Date: 11-08-2012
last updated:  10-16-2019 by K. Borchert (katjab@millisecond.com) for Millisecond Software, LLC

Script Copyright © 10-16-2019 Millisecond Software

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BACKGROUND INFO 	
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This script implements the 18 item Need for Cognition Scale by
 
Cacioppo,J.T., Petty,R.E. & Kao, C.F (1984). The efficient assessment of need for cognition. Journal of 
Personality Assessment, 48, 306-307.

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OVERVIEW
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participant works on 18 9-point Likert questions. Each question has 9 answer choices, ranging from very strong
agreement to very strong disagreement.

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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: 'NCS.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 -> reversed scoring already taken into account for R questions)
								4 = very strong agreement
								-4 = very strong disagreement

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: 'needcognitionscale_summary*.iqdat' (a separate file for each 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.totalscore: 	sum of the 18 individual question scores, rated on a scale from -4 to +4 (Total Range: -72 to +72)
+ responses to all individual questions

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QUESTIONNAIRE SET-UP
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1) Questions:
18 9-point Likert questions total, 4 questions per page


2) Required Responses:
By default the answer to each question is required (Go to QUESTIONS and edit each individual
question)

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INSTRUCTIONS 
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instructions for the questions are not originals; they can be changed under
VALUES-> EDITABLE PARAMETERS -> parameters.instructions

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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:

/instructions:			the wording used in instructions