City Planners of Garden Grove, California installed Active Radar Speed Signs at 5 locations to provide real-time feedback on the speed of 58,000 drivers. LEDs would also flash if drivers exceeded speed limits by more than 5MPH.

After installation of the feedback systems, average speed dropped 22% from 44 to 34mph.

First, determine the behavior to change. Measure, capture and store the relevant data. 

Communicate it back to the individual in a relevant, context-sensitive way that ultimately provokes an emotional reaction.

Provide clear consequences for action or inaction. It’s critical to get the right balance between not being too subtle and not being too intrusive or authoritarian (which we filter out).

Lastly, allow for opportunities to immediately rectify the behavior - which should also be tracked - completing the loop and eventually changing the behavior pattern.  Remember to reward compliance as much as you penalize inaction to increase effectiveness.

The food choices of 89 people both dieting and not dieting were analyzed in a cafe. Diners were given a menu with either information highlighting low-calorie options or not (the control).

Results showed that dieters primed with the reminder of their future goal consistently made healthier food choices than unprimed dieters.

Who is the target group?

‍They could be people who are motivated to protect the environment, improve productivity at work or improve the quality of their lives. Note: they must have already stated a desire for this goal. Your prime will merely aim to nudge their existing Commitment to meeting their own aspirations.

Where can you trigger these long-term motivations?

As well as environment, timing also matters, so make sure that you do so very close to the actual decision point, i.e. at the start of a meeting, at the ordering counter or on the inside of a restroom door.

Boost with the Spacing Effect.

What's the specific behaviour that you're allowing them to perform to help move them towards their long term goal?

It has to be obvious and easy to do, such as clearly identifying an eco-friendly substitute, bolting on a salad or opting for an equally-priced, dairy-free option.

84 people were shown an ad for a known clothing brand that they either had an existing loyalty to or not, written either assertively or not. Based upon the ad, they were then asked how much from a $25 gift card they'd spend.

People spent less money after viewing an assertive ad next to a non-assertive ad, especially when loyal.

Don’t misuse behavioural principles.

‍We've seen a rising use of faux-scarcity to create an uneasy sense of urgency as well as an aggressive use of Defaults that aren't in customers' best interests. Such applications turn positive activities, like booking a holiday into ones riddled with stress.

Give some control (Miller et al., 2007).

Having a feeling of choice can reduce feelings that our freedoms are being taken away. Mix Autonomy with Certainty by reminding of the inevitability ahead while granting other areas where you can give back control in meaningful ways.

Give lots of warning up-front

‍If you're planning a big change that will clearly trigger reactance (Richards and Banas, 2015), giving time for the news to sink in, let people familiarise themselves with the new, uncomfortable normal will then reduce reactance when the change does come about.

40 students were taught a topic and either given the respective homework once instantly or 3 times over the next 3 weeks. They then had an exam a month later.

Those who had the homework spaced out over time performed much better in the exam than those who were asked to do it immediately  after learning.

Spread out the learning.

‍Research shows that spaced repetition is the most robust means of learning but is rarely used by companies. Most knowledge is delivered once and forgotten, wasting money and time. Develop shorter learnings spread over time, using different tools, both digital and physical.

Use it or lose it.

‍Knowledge only sticks when we use it. After reading a book chapter, summarize learnings into bullet points, a list of actions, or even better, become the teacher. Blinkist could send some simple interactive questions after readers have finished a book. Use Slack app QuickQuiz to follow up Lunch & Learns with a Tiny Habit of bite-size questions. 

Make progress trackable.

‍Learnings apps like Duolingo and Memrise create powerful Feedback Loops through points systems, daily goals and leaderboards to create positive reinforcement. Tracking progress gives us a sense of growth and improvement.

What info we decide to surface visually has a powerful effect on peoples’ decisions. The same is also true for what we choose to hide.

For instance, if I wanted to design a work environment where people ate more fruit, I could buy bananas and apples but store them in the fridge, out of view.

But this would have what we call “low salience”, or a low likelihood of being seen.

Instead, to boost fruit consumption further, we’d want to increase Salience.

So now, instead of hiding the fruit in the fridge, we put it in large colourful bowls in central, highly visible areas of the office in eye line and within arm’s reach.

Now the fruit have “high salience” and are much more likely to be eaten.

Note that this also has second order effects; more salience from the fruit bowls means more people eating fruit, creating a powerful salience cycle.

What do you want people to do more or be more aware of? How can you increase its salience next to other things?

Another strategy is to remove other things around it to increase salience in relative terms. So in the fruit example, we might want to remove the coffee machine to give the bowls greater salience.

What info we decide to surface visually has a powerful effect on peoples’ decisions. The same is also true for what we choose to hide.

For instance, if I wanted to design a work environment where people ate more fruit, I could buy bananas and apples but store them in the fridge, out of view.

But this would have what we call “low salience”, or a low likelihood of being seen.

Instead, to boost fruit consumption further, we’d want to increase Salience.

So now, instead of hiding the fruit in the fridge, we put it in large colourful bowls in central, highly visible areas of the office in eye line and within arm’s reach.

Now the fruit have “high salience” and are much more likely to be eaten.

Note that this also has second order effects; more salience from the fruit bowls means more people eating fruit, creating a powerful salience cycle.

What do you want people to do more or be more aware of? How can you increase its salience next to other things?

Another strategy is to remove other things around it to increase salience in relative terms. So in the fruit example, we might want to remove the coffee machine to give the bowls greater salience.

Over 10 days, millions of people using online ticket marketplace Stubhub were put into two groups, where 15% ticket fees were either made salient up front during ticket browsing, or hidden until checkout.

Results found that for those with delayed salience of the fee, revenue increased by 21%, with a quarter of this due to higher priced tickets being bought.

What is seen is what is done

Surfacing key information in a timely fashion can prompt us to do more of what we aspire to. For instance, Amazon have redesigned their Kindle so that when it's not in use, the screensaver becomes the cover of the book you're currently reading. This acts as a salient reminder to read as one notices the Kindle throughout the day. We can use the same approach to boost healthy eating, having a bowl of fruit on the kitchen table over one filled with salty cashews. What do you want users to do more of? How do you want them to feel? What unique or delightful features can you surface that will help inspire action and make Tiny Habits that much more likely to form?

More knowledge isn't necessarily better

There's a trade-off between what's presented to us now and making good decisions for our future. For instance, cryptocurrency exchange Coinbase choose to omit the % gained or lost from one's investments. Research shows that if they instead showed this, people may incorrectly sell coins that have increased in value, while keeping coins that have dropped in value, known as the Disposition Effect.

Differentiate by removing information

Whereas knowledge can be power, it can also demotivate. For example, weight loss scales Shapa does away with the number telling you how much you weigh, instead providing 5 colour bands denoting averaged performance. Omitting the number shifts us away from short term fluctuations in weight that can lead to feelings of failure causing us to give up. What information or options could you hide that could otherwise lead users to short term or harmful outcomes? What can you remove that could confuse or overwhelm?

Delayed salience can trigger shock

Also consider the ethical implications of hiding key information, as in the study above. In this case, any reactance felt will be relative to the proportion of the extra fees incurred, customer expectations, industry norms and how frequent the transaction is. Hidden fees on more regular transactions like grocery shopping will be subject to higher levels of reactance than one-offs like a car purchase. There is an art to surfacing such painful information at the correct time in order to generate a sale. Try adding an explanation of why the fee exists to reduce drop-off, like Airbnb do.

47 subjects were given around 20 small, manual tasks to complete, one at a time. Experimenters randomly interrupted completion of half of these tasks. After, subjects were asked to recall as many tasks as possible.

There was a 90% higher recall of incomplete and interrupted tasks than those completed.

Make important task completion frictionless. If customers leave your site without finishing their order, make it effortlessly easy to get that completion feeling, such as allowing for completion with a single click, tap or swipe. 

Focus on completion’s emotional release. Providing reward incentives for task completion actually demotivates consumers. Instead, remind them not just of the product they’ve not yet bought, but of the feelings that this ‘purchase task’ will unlock. 

Make known campaigns incomplete and interactive. Greater familiarity with an advert increases consumer ability to complete an interrupted ad message. Active participation also boosts ad memory (Heller, 1956). So if your popular campaign’s reaching its end, consider a special second follow-up version that allows for active participation in completing the ad message. 

42 people were either asked to make 35  'A or B' choices that would inform the design of an educational course they were attending, or instead to just read the course material. Both were then tasked with solving math puzzles and were timed until they gave up.

Those who had to make the choices beforehand persisted for less time on the puzzles and also got fewer right.

Protect your decision capacity.

Prioritize your day around and take breaks before making harder decisions. For example, restaurant inspectors can reduce errors by scrutinizing sites at higher risk of failure at the start of the day (Ibanez & Toffel, 2017).

Create product contrast.

‍When no option in a set offers a distinct advantage from the others, we're most at risk of not choosing at all (Dhar, 1997). How can you improve your choice architecture to offer variety that actually makes deciding easier? 

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Order matters for revenue.

‍Prospective Audi owners given a high number of customization options early on more readily accepted, higher-priced defaults in later steps (Levav, 2010). Though be careful not to trigger Reactance by pre-selecting defaults that are seen as too expensive.

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Faced with a set of options, when we’re not sure what’s the “right” choice, Defaults offer a helpful guide.

They help people avoid expending vast amounts of cognitive energy to decide between what could be a large number of options.

This is especially the case for those who don’t know much about the products or services, where Default options can take away the fear of getting that first decision wrong.

They're also a powerful remedy to any potential Analysis Paralysis, and are particularly helpful when making multiple choices one after the other.

Consider that you’re buying a computer, with a range of possible customisations to various parts.

If there were no default choices set, we’d quickly become overwhelmed with what was the right choice in each step.

If you have complicated product ranges or customisations, are you setting helpful Defaults? If you are, think hard about whether these need improving to reduce effort further.

But also, a word of warning.

Defaults can be terribly misused to force people into decisions that they don’t want.

Take people down the wrong path and you’ll quickly trigger Reactance; an angry feeling where people will want to reclaim their independence, often doing the opposite of what you Default them to.

Ensure that your Defaults have peoples’ own intentions in mind and don’t deviate too far from what people would do of their own choosing.  

What Defaults are you setting? How can these be improved to help smooth out decision-making and guide people to better  outcomes, either for themselves (e.g. helping them save more money) or for the wider group (e.g. defaulting meeting times to 15 minutes instead of 30).

Defaults are set everywhere. They’re powerful and have a big influence on behavior with little effort.

Faced with a set of options, when we’re not sure what’s the “right” choice, Defaults offer a helpful guide.

They help people avoid expending vast amounts of cognitive energy to decide between what could be a large number of options.

This is especially the case for those who don’t know much about the products or services, where Default options can take away the fear of getting that first decision wrong.

They're also a powerful remedy to any potential Analysis Paralysis, and are particularly helpful when making multiple choices one after the other.

Consider that you’re buying a computer, with a range of possible customisations to various parts.

If there were no default choices set, we’d quickly become overwhelmed with what was the right choice in each step.

If you have complicated product ranges or customisations, are you setting helpful Defaults? If you are, think hard about whether these need improving to reduce effort further.

But also, a word of warning.

Defaults can be terribly misused to force people into decisions that they don’t want.

Take people down the wrong path and you’ll quickly trigger Reactance; an angry feeling where people will want to reclaim their independence, often doing the opposite of what you Default them to.

Ensure that your Defaults have peoples’ own intentions in mind and don’t deviate too far from what people would do of their own choosing.  

What Defaults are you setting? How can these be improved to help smooth out decision-making and guide people to better  outcomes, either for themselves (e.g. helping them save more money) or for the wider group (e.g. defaulting meeting times to 15 minutes instead of 30).

Defaults are set everywhere. They’re powerful and have a big influence on behavior with little effort.

161 people were told that they’d just moved to a new US state and that here, the default was (or wasn’t) to be an organ donor. They were then asked to accept or change this donation status.

Results showed that only 42% donated when the default was to opt out, but 82% when defaulted to opt in.

Defaults are powerful. They’re chosen because consumers take mental shortcuts (especially when tired) and because there’s implied trust that they’re the ‘right’ choice. Defaults also act as a reference point against better or worse options. (Dinner et al., 2011). 

Defaults can be set around anything: from the standard package you offer to new subscribers, to the pre-set top-up amount for your mobile wallet, to whether each order of pizza should come with salad. Each default can dramatically affect conversion levels and behavior.

Get the balance. Ensure your defaults feel natural and in line with consumer aspirations. The more extreme the default you set (i.e. defaulting to the most expensive option), the more effort consumers will expend weighing up the cognitive / emotional costs of not choosing the default, impacting their experience and reducing overall trust.

172 people were told of a fundraiser called Sheila who needed to sell 100 candy bars for her sports team and told she had to sell either 1 or 21 more bars to meet her quota. They were then asked how likely they were to buy a candy from her.

Those in the almost-complete task state were far more likely to help than when there were many left.

Visualize to motivate.

‍Showing quantifiable task progress  with a visual and numerical indicator will increase completion speed (Cheema & Bagchi, 2011).  

How can you heighten desire to close in on the reward?

Note that effort levels will fall after the current reward has been attained, so reframe progress around the next goal.

Be ahead of the curve. 

‍Endow Progress and put more weight on task completion at the start than when close to the goal. 

Place easier tasks at start and middle, saving harder or bigger ones for just before reward.

Reframe task size.

‍Motivation to complete a task is directly proportionate to its size. So, for viewers new to Breaking Bad, instead of Netflix initially highlighting all 5 seasons, reframe the task as a single season with a sense of completion.

Once season 1 is watched, reframe season 2 as a natural extension of 1 but distinct from 3-5.

90 people were asked to solve 50 puzzles in either 10 or 40 minutes. A time-saving notification stating that “This question isn’t worth any points. Press A to skip” would pop up for half the puzzles.

Results showed that the time-scarce group ironically were more likely to miss the time-saving notifications due to their heightened focus on task completion.

‍Time Scarcity increases conversion under a few conditions

Make sure your use of it is on-brand, authentic and not overly-aggressive to avoid harming long-term trust and loyalty.

A big clock with red flashing text may boost sales in the short-term but risks damaging brand perceptions in the longer term and will lead to Reactance in the more behaviorally-aware and in more mature markets with stronger competition. 

Use time windows for excitement.

Particularly for experiments with new ideas or for seasonal Limited Editions. Starbucks’ Unicorn Frappucino was on sale for 5 days only. It sold out in just 3 and generated 160,000 Instagram posts. 

Develop novel ways of saving people time.

‍People who spend money on time-saving purchases report greater life satisfaction (Whillans et al, 2017). 

Amazon and Sainsbury’s are exploring no-queue, no-till shopping. Just scan on the app and leave. How can you free up even a few minutes of our most precious commodity?