The Importance of User Behavior & Design Psychology
Text of Nir Eyal, Designing for Habit-Formation, WarmGun 2013
h Hooked @nireyal k
Products can profoundly CHANGE OUR BEHAVIORS.
100s of millions of users and 100s of millions of dollars.
? NS T AT P R E
Vitamins OR Pain Killers?
PAIN KILLERS address a burning need.
VITAMINS are nice to have.
Vitamins OR Pain Killers?
With habit-forming technology PLEASURE SEEKING behavior becomes
PAIN ALLEVIATING behavior
What do we mean by PAIN?
Close your eyes.
HOW DID YOU FEEL?
The SOLUTION TO OUR DISCOMFORT is found in the products
use.
We are not designing for addiction Do not design bor
agddiction. f e in raphic NOT must
habit A BEHAVIOR DONE WITH LITTLE OR NO CONSCIOUS THOUGHT
Habits can be used for good.
Harnessing HABITS can be VERY GOOD FOR BUSINESS.
If your business requires unprompted user engagement,
A design pattern to help FORM BETTER PRODUCT HYPOTHESES.
BUILDING IS EXPENSIVE
INCREASE YOUR ODDS OF SUCCESS.
h k The$HOOK$is$an$experience$designed$to$
connect$the$users$problem$to$your$solu7on.$
h with%enough%% FREQUENCY%% to%% FORM+A+HABIT.+ k
k h A"Hook"has"4"parts:"
A - A hook has 4 parts: T - Trigger A - Action R - Reward I -
Investment
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HABITS ARE BUILT UPON like the layers of a pearl.
Triggers come in two flavors: EXTERNAL & INTERNAL
EXTERNAL TRIGGERS The information for what to do next is within
the trigger. Billboards SO DA
INTERNAL TRIGGERS The information for what to do next is
informed through an association in the users memory.
Negative emotions are POWERFUL INTERNAL TRIGGERS. lonesome
indecisive powerless tense dissatisfied confused inferior fatigued
discouraged fear of loss bored lost
People who are DEPRESSED CHECK EMAIL MORE OFTEN. Source:
Kotikalapudi et al 2012
When we feel LONELY we use
When we feel UNSURE we use
When we are BORED we use
Do you know your customers INTERNAL TRIGGER?
What triggers make so habit-forming?
external triggers
solves the pain of losing the moment.
But is also a social network. Lonely Stresse d Urge to preserve
Curious Insecurity Bored
h k
The SIMPLEST ACTION in anticipation of a reward.
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m According to BJ Fogg, for any behavior to occur, we need
MOTIVATION, ABILITY, and a TRIGGER
moti vatio n THE ENERGY FOR ACTION -Edward Deci
THERE ARE SIX FACTORS THAT CAN INCREASE MOTIVATION. Seeking
Pleasure Avoiding Pain Seeking Hope Avoiding Fear Seeking
Acceptance Avoiding Rejection Source: Dr. BJ Fogg, Stanford
University
Level of of motivation and ability determines if action will
occur. MOTIV ATION TRIGGER SUCCEEDS TRIGGER FAILS Fogg Behavior
Model ABILIT Source: Dr. BJ Fogg, Stanford University
Simplicity is a function of your scarcest resource at that -BJ
Fogg
through the years 2009 2010 2011 2012 2013
through the years 2009 2010 2011 2012 2013
through the years 2009 2010 2011 2012 2013
h k
Source: Olds and Milner, 1945 It all starts with the NUCLEUS
ACCUMBENS studied by Olds & Milner.
The nucleus accumbens is activated when we crave.
Were Olds & Milner stimulatin g pleasure? Not exactly.
They were stimulating the STRESS OF DESIRE.
Our reward system activates with anticipation Source: Knutson
et al 2001
and calms when we get what we want. Source: Knutson et al
2001
Thats the ITCH we seek to SCRATCH.
There is a way to supercharge the stress of desire.
THE UNKNOWN IS FASCINATING. Variability causes us to focus and
engagement
and increases behavior.
The nucleus accumbens is stimulated by variability.
3 types of VARIABLE REWARDS TRIBE HUNT SELF Habit-forming tech
uses 1 OR MORE
SEARCH FOR SOCIAL REWARDS TRI
empath partner compet
We Like social rewards.
We value recognition and cooperation
SEARCH FOR RESOURCES HU
Stems from the hunt for food and resources
Hunt for variable material rewards
Hunt for variable information rewards.
Hunters on scroll pages.
SEARCH FOR SELF-ACHIEVEMENT SEL
Leveling-up reflects MASTERY and COMPETENCY.
Inbox or task management reflects CONSISTENCY and
COMPLETION.
WARNING Variable rewards are not a free pass. Your product
still must address the itch.
h k
Users invest for future benefits. Emotional Personal Commitme
Data nt Social Effort Capital Time Money
Investments increase the likelihood of the next pass through
the Hook in TWO ways.
INVESTMENTS LOAD THE NEXT TRIGGER OF THE HOOK. 1.
Each new message posted on
is an open invitation for an external trigger to be
returned.
Investing in Refresh, loads the next trigger
Loading the next trigger with Pin It button
2. INVESTMENTS STORE VALUE, erecting barriers to exit.
CONTENT
DATA
FOLLOWERS
REPUTATION 30
! INVESTMENTS! CREATES ! PREFERENCE.
h k The$HOOK$is$an$experience$designed$to$
connect$the$users$problem$to$your$solu7on.$
h With%enough%frequency,% A"HABIT"IS"FORMED." k
A - A hook has 4 parts: T - Trigger A - Action R - Reward I -
Investment
The HOOK Canvas 1. What internal trigger is the product
addressing? 2. What external trigger gets the user to the product?
4. Is the reward fulfilling, yet leaves the user wanting more? 5.
What bit of work is done to increase the likelihood of returning?
3. What is the simplest behavior in anticipation of reward?
THE MORALITY OF MANIPULATION
Designing habit-forming products is a form of
manipulation.
What RESPONSIBILITY do we have when changing user
behavior?
THE WORLD IS FULL OF PROBLEMS TO FIX. Help others find meaning.
Engage them in something important.
Build the CHANGEin you want to see THE WORLD.
h 1. Take the survey. k www.OpinionTo.Us ! 2. Get the slides.
@nireyal www.nirandfar.com