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Principle of Design (Legibility: visual clarity of text (Size:9-12
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Principle of Design (
Legibility: visual clarity of text,
Flexibility Trade-offs:,
MAYA: Most Advanced yet Acceptable principle; Finding the Goldilocks zone of mass appeal,
Alignment: getting your ducks in a row,
Feature Creep: continuous expansion or addition of new product features beyond the original scope; could breaks the project's back,
Desirelines:Traces of use or wear that indicate preferred methods of interaction.,
Top-down lighting Bias: tendency to interpret objects as being lit from a single light source from above,
iteration, how the long way can be the short way 
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Garbage In-Garbage Out GIGO
Quality of system output is largely dependent on the quality of system input. ,
Hick's law: when it pays to run with the herd, the key is knowing when,
KISS: Keep it simple stupid, keep it short and simple, keep it stupid simple, keep it simple silly,
Left digit effect:when the price is right,
Root cause: for want a nail,
Sunk-cost effect: the power of knowing when to quit,
Selection Bias. How the dots we collect influence the dots we connect. ,
IKEA effect:Why Sometimes You Need to Break an Egg ,
Red effects: the color of blood and fire,
Black Effects: Why Black is Always the New Black.”,
White Effects, why good guys wear white.,
Weakest Link, How the Weakest Links Can Make the Strongest Chains. ,
Supernormal Stimuli: “Designing with instincts in mind.” ,
Performance Load, Don't make me think, don't make me move.,
forgiveness, why to err is human, but to forgive, design. ,
Figure-Ground: How to Get Two Things for the Price of One,
Crowd Intelligence, how to guess the number of jelly beans in a jar,
Errors, Seeing the Errors of Our Ways. ,
Aesthetic-Usability Effect, When Perception is Reality. ,
80/20 Rule, or how to achieve more by focusing on less.,
the Baby-Face Bias, or why it pays to be cute as a baby.,
Cognitive Dissonance, or How to Win Friends and Influence Enemies.,
Consistency-- Why sometimes the best designs astonishes the least.,
Design By Committee, or Why a Camel is Often Called a Horse Designed by Committee.,
expectation effects, or the power and perils of knowing what's expected.,
the Gloss Bias, or Why We Take a Shine to Glossy Objects. ,
he Golden Ratio, or Why Sometimes, All That Glitters Isn't Gold. ,
face-ism ratio, or the power of saving and losing face.,
the Five Hat Racks. For How to Choose The Right Information Design Tool For The Job.,
flow, or the power of getting people in the zone. ,
freeze-flight-fight-forfeit, or Designing With Stress in Mind ,
Mafa Effect" or the beauty of being average,
archetypes, or the power of instinctive appeal.,
factors of safety. Or how to design for unknown unknowns
- designing components or systems beyond expected loads to offset the effects of unknown variables and prevent failure.
*The size of the factor of safety should correspond to the consequences of catastrophic failure, and the level of uncertainty in the design
- adding fators will add weight, cost, time, etc.
- to increase system reliability, to make sure your e-commerce site stays online during a holiday rush, or to prevent high-impact catastrophic failures
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