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PSYCHOLOGY OF
TECHNOLOGY:
APPLICATIONS OF
ALGORITHMS
DAVE MILLER
ITINERARY
 COMPAS: ASSESSING RECIDIVISM RISK
 BETTER THAN THE WARDEN?
 BIASED – AND HOW?
 THE “GOOGLE TRUTH MACHINE”
 WHOSE TRUTH IS IT?!
 ASSESSING AND AUDITING THE ALGORITHMS
 POWER TO THE PEOPLE, MARTY
POLITICAL PERSUASION
OLD SCHOOL STYLE
IT’S ALL ONES AND ZEROES
“YOU WON’T KNOW WHO TO
TRUST”
http://i2.wp.com/www.internetvibes.net/wp-content/gallery/
stalin-posters/th/poster31_thumb.jpg?resize=640%2C435
http://www.designer-daily.com/examples-of-american-cold-war-propaganda-2918
STEP OUT OF LINE
THE MAN COME AND TAKE YOU
AWAY
COMPAS FACTORS
WHERE DOES THE BIAS COME
FROM?
 Conscious bias?
 Differential rates of incarceration  higher risk values?
 Co-occurring factors?
 Is it a ‘black box’ or can we examine the weights in the algorithm?
THE TRUTH MACHINE
 “Endogenous signal” – the cue to the truth value is in the document itself!
 Comparison with known truths in the “knowledge vault”
 Exogenous signals
 Credibility of the source (e.g. New York Times vs. The Onion)
 Links to the source – hyperlink structure of the graph
[Barack Obama] (Born) in {United States}
ELABORATION LIKELIHOOD MODEL
OF PERSUASION: Cacioppo and
PettyCENTRAL ROUTE
 High interest in the content
 Positive attitude towards the content
 High internal need for cognition
 Availability of cognitive resources
 Ability to understand the message
 Absence of conscious resistance
PERIPHERAL ROUTE
 Low interest in the content
 Low internal need for cognition
 Lack of available cognitive resources
DESIGNING THE CREDIBLE WEB
1. Downregulate the non-credible in search results
2. Flag non-credible results
3. Censor non-credible results?!
WHOSE THUMB GOES ON THE SCALE?

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Applications of Algorithms - and the pitfalls

  • 2. ITINERARY  COMPAS: ASSESSING RECIDIVISM RISK  BETTER THAN THE WARDEN?  BIASED – AND HOW?  THE “GOOGLE TRUTH MACHINE”  WHOSE TRUTH IS IT?!  ASSESSING AND AUDITING THE ALGORITHMS  POWER TO THE PEOPLE, MARTY
  • 4. IT’S ALL ONES AND ZEROES
  • 5. “YOU WON’T KNOW WHO TO TRUST” http://i2.wp.com/www.internetvibes.net/wp-content/gallery/ stalin-posters/th/poster31_thumb.jpg?resize=640%2C435 http://www.designer-daily.com/examples-of-american-cold-war-propaganda-2918
  • 6. STEP OUT OF LINE THE MAN COME AND TAKE YOU AWAY
  • 8. WHERE DOES THE BIAS COME FROM?  Conscious bias?  Differential rates of incarceration  higher risk values?  Co-occurring factors?  Is it a ‘black box’ or can we examine the weights in the algorithm?
  • 9. THE TRUTH MACHINE  “Endogenous signal” – the cue to the truth value is in the document itself!  Comparison with known truths in the “knowledge vault”  Exogenous signals  Credibility of the source (e.g. New York Times vs. The Onion)  Links to the source – hyperlink structure of the graph [Barack Obama] (Born) in {United States}
  • 10. ELABORATION LIKELIHOOD MODEL OF PERSUASION: Cacioppo and PettyCENTRAL ROUTE  High interest in the content  Positive attitude towards the content  High internal need for cognition  Availability of cognitive resources  Ability to understand the message  Absence of conscious resistance PERIPHERAL ROUTE  Low interest in the content  Low internal need for cognition  Lack of available cognitive resources
  • 11. DESIGNING THE CREDIBLE WEB 1. Downregulate the non-credible in search results 2. Flag non-credible results 3. Censor non-credible results?! WHOSE THUMB GOES ON THE SCALE?