Cognitive Bias In Code
William Jeffries@williamcodes
1. Adolf Hitler was born in 1891
2. Adolf Hitler was born in 1887
Repeated Experience
Clear Display
Primed Idea
Good Mood
Feels Familiar
Feels True
Feels Good
Feels Effortless
Ease
kadirga
saricik
biwonjni
nansoma
iktitaf
Confirmation Bias
Exaggerated Emotional Coherence
Attaching methods to arrays
not controversial
very controversial
No Monkey Patching!Don’t Break for-in!
What biases did I succumb to?
What biases did my reviewer succumb to?
How about your team?
• Familiarity Bias
• Availability Bias
• Endowment Effect
• Confirmation Bias
• Halo Effect
William Jeffries@williamcodes