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Rewards and Punishment. Paul Taylor 2010. What is a reward?. What is punishment?. Balancing Rewards and Punishment. Psychology 101. http://bulk.destructoid.com/ul/144219-i-suck-at-games-negative-reinforcement-negatively-reinforces-everything/isuckatgames2-noscale.jpg. Positive Reinforcement. - PowerPoint PPT Presentation
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Rewards and Punishment
Paul Taylor 2010
What is a reward?
What is punishment?
Balancing Rewards and Punishment
Psychology 101
Positive Reinforcement
https://intro2psych.wikispaces.com/file/view/Press.sized.jpg/32395879/Press.sized.jpg
http://bulk.destructoid.com/ul/144219-i-suck-at-games-negative-reinforcement-negatively-reinforces-everything/isuckatgames2-noscale.jpg
Positive Reinforcement
• Rewards for good behaviour
http://www.dailymail.co.uk/sciencetech/article-1018157/Pictured-The-worlds-intelligent-fish--plays-football-basketball-limbo-dances.html
Punishmenthttp://www.digitaljournal.com/img/9/8/3/3/2/6/i/4/0/8/o/butt_bustin.jpg
http://www.google.com.au/imgres?imgurl=http://newgalinlaciudad.files.wordpress.com/2009/08/punishment.jpg&imgrefurl=http://www.psychologicalscience.com/learning/2010/01/punishment-rules.html&usg=__Fo3rM6G2Kta6GB2DVxik81ex0ik=&h=351&w=350&sz=37&hl=en&start=8&zoom=1&tbnid=8D3E8HUqiR_J-M:&tbnh=120&tbnw=120&prev=/images%3Fq%3Dpunishment%26um%3D1%26hl%3Den%26safe%3Doff%26client%3Dfirefox-a%26hs%3DbB1%26sa%3DN%26rls%3Dorg.mozilla:en-GB:official%26biw%3D1152%26bih%3D529%26tbs%3Disch:1&um=1&itbs=1
Punishment
• Adding a negative to decrease a behaviour
http://t0.gstatic.com/images?q=tbn:8D3E8HUqiR_J-M:http://newgalinlaciudad.files.wordpress.com/2009/08/punishment.jpg&t=1
http://www.pollsb.com/photos/o/25389-crime_punishment_judge_orders_shoplifters_wear_signs.jpg
Negative Reinforcementhttp://bulk.destructoid.com/ul/144219-i-suck-at-games-negative-reinforcement-negatively-reinforces-everything/isuckatgames1-noscale.jpg
Negative Reinforcement
• Behaviour is reinforced by the avoidance of a negative situation
• Here pressing the lever will stop the shocks
http://www3.niu.edu/acad/psych/Millis/History/2003/skinbox3.gif
Negative Reinforcement is ALWAYS this ugly
http://bulk.destructoid.com/ul/144219-i-suck-at-games-negative-reinforcement-negatively-reinforces-everything/stfunoob-620x.jpg
What Negative Reinforcement can breed...
• Griefers
http://bulk.destructoid.com/ul/144219-i-suck-at-games-negative-reinforcement-negatively-reinforces-everything/isuckatgames4-noscale.jpg
Extinction
• “Dammn, was that today?”
http://science.nationalgeographic.com/staticfiles/NGS/Shared/StaticFiles/Science/Flash/profiles/images/mass-extinction.jpg
Extinction
• Removing something to reduce a behaviour• This is perhaps the worst method of learning
• What do you do when a baby annoys you with a rattle?
Extinction: You take the rattle
The Behaviour Management Grid
Good behaviour Bad Behaviour
Give something Positive Reinforcement
Punishment
Remove something
Negative Reinforcement
Extinction
Glitchers
Glitchers vs Youhttp://www.gamesetwatch.com/glitch_dilemma.jpg
The most famous glitch? The Zerg Rush
• AKA Red Alert ‘Tank Rush’• A simple strategy of flooding your enemy with
cheap, quickly built units• Typically viewed as a ‘Noob’ tactic
– Commonly banned in online battles• An exploit that is difficult to balance out
– See SC2 ZR defence tutorials
http://posterous.com/getfile/files.posterous.com/akvamme/DyNl1ObeqVEIvj14PoiBfDKB1hxA1jlmt0rACnr8DaW04q6PRXnlpJoT8mN6/zerg_rush.jpg.scaled.1000.jpg
http://www.halolz.com/wp-content/uploads/2009/06/halolz-dot-com-starcraft-siegetankrush.gif
The Zerg Rush
How to balance these players?
• Dynamic Updates, MMO style
• Player Merit Schemes• Afford good players good rep• How do we make this happen?
Step #1 What already exists?
• MMOs• FPS
• Ebay
Step #2 – Fill in the holes
Some light further reading
• http://www.enotes.com/management-encyclopedia/reinforcement-theory
References
• http://www.gamasutra.com/view/news/27487/The_Psychology_Of_Games_The_Glitchers_Dilemma.php