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Hedonic Calculus
Pain & pleasure are the measure

Learning Objectives:

  • Ability to comprehend what the Hedonic Calculus is
  • Ability to list and explain the 7 criteria of the Hedonic Calculus
  • Ability to apply a case study to the Hedonic Calculus

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What is the Hedonic Calculus?
A tool by which one can measure pleasure and pain - 

Hedonic Calculus
# 7 Criteria Questions Asked
1 Intensity How intense/strong is the pleasure and emotional satisfaction?
2 Duration How long will the pleasure last?
3 Certainty How certain am I that pleasure will occur?
4 Propinquity How soon will the pleasure occur? How near is it?
5 Fecundity How likely is it that this experience will cause more pleasure in the future? 
6 Purity Is there any pain that accompanies this pleasure?
7 Extent How many people will be affected?

To increase your understanding of Bentham's Hedonic Calculus,   ( http://www.utilitarianism.com/hedcalc.htm , Penguin Dictionary of Philosophy) calculate whether or not you should take a particular action based on the Hedonic Calculus.
Pleasure and pain range from -10 to +10

Sample Scenario:   

You just got engaged and started college shortly after the engagement. You meet a young, single, philosophy  professor that sweeps you off your feet. You discuss philosophical issues after class in his office and occasionally in the cafeteria The prof invites you to an out-of-town philosophy conference/lecture. You sense the prof is attracted to you too, though attraction has never been discussed. 
Should you attend with him/her or should you go  to the  dinner with your fiancé(e), as s/he had invited you ?
To find out what you should do, fill out the following Hedonic calculator to determine the net pleasure and pain.
-  on a scale of -10 to +10

  7 Criteria Yes, attend conference with prof Go to a local dinner with fiancée
1 Intensity    
2 Duration    
3 Certainty    
4 Propinquity    
5 Fecundity    
6 Purity    
7 Extent    
Totals    

Classroom activity

Complete a Hedonic Calculus for one of the following sample scenarios: Rate each item on a scale of -10 to +10.

  •  Soliciting help on a take-home exam;
  • You had promised to meet a friend for dinner, but then had a better offer. Should you cancel the dinner date?
  • You had promised to meet several friends for dinner, but then you had a better offer to do something else. Should you not show up at dinner?
  • Having an affair
  • Make up your own scenario
# Yes ,
if  I do it I'll get X amount of pleasure

(points)
No, if I don't do the action & decide to do something else, I'll get X amount of pleasure.
(points)
7 Criteria Questions Asked
1     Intensity How intense/strong is the pleasure and emotional satisfaction? (Will the pleasure be offset by the pains of  remorse? Or might there be regret that a different action wasn't taken?
2     Duration How long will the pleasure last?
(Might a drug help now but make you feel bad later?)
3     Certainty How certain am I that pleasure will occur?
(For example, what are the odds  that gambling will bring pleasure?)
4     Propinquity How soon will the pleasure occur? How near is it?
5     Fecundity How likely is it that this experience will cause more pleasure in the future? 
Will staying on a diet today or studying today bring me additional pleasure in the future?
6     Purity Is there any pain that accompanies this pleasure?
7 Extent How many people will be affected?
Total Score

Discussion: Questions
Are utilitarians ethical people?
What difficulties did you run across when filling out the calculus?
Would you be "happy" if most of your friends were utilitarians?
Is the Hedonic Calculus an absolute waste of time?
Do you mentally perform some version f the Hedonic Calculus when deciding what to do?