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Intuitive User Interface and 4 Simple Principles to Create It

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What if I told you that you can create intuitive user interface by following four simple principles? Would you want to know what these four principles are? And, what about how to use them to create more intuitive user interfaces? This article will tell you what these four simple principles are. Then, it will give you some ideas on how to apply them. Without further ado, let’s begin.

What makes user interface intuitive

When can we say that some interface is intuitive? One definition of an intuitive user interface I would love to use is that it is an interface users understand and use without the need to remember or memorize almost anything. The problem is with this definition is that it forbids any interface that is new and innovative. It is almost like saying “simply don’t reinvent the wheel”.

How far can we get with this philosophy? Probably not too far beyond the wheel. Therefore, we need a little bit looser definition. It has to be a definition that will help us distinguish between user interface that is intuitive and that is not. However, it also has to be a definition that will still leave some space for innovation and trying new and even very bold ideas.

With this in mind, I think it is safe to say that intuitive user interface is an interface that is almost self-explanatory. There might be some need to learn few new patterns, thinking models or behavior. However, this learning phase should not take too long and the user shouldn’t need to repeat it over and over again. Learn only once and quickly and never forget. Now, how to achieve this?


Let’s start with a principle that is universal and simple to apply. Probably the easiest way to make our user interface intuitive, for the user, is by making it familiar. When we think about it, many of the well-designed and intuitive interfaces are just a metaphors. Meaning, these interfaces are almost digital copies of something that exists in the material word.

Take your smartphone and take a look at the screen. How many of the apps (not games) look like something you know? How many of them mirror real physical object, at least in some way. And, how intuitive are these apps? Let’s take some music player app as the simplest example. Pick whatever app music app you want. Now, take a look at the user interface of the app. What do you see?

Different but same

Sure, different apps will use different layouts, visuals, color palettes, features and so on. However, the vast majority of them will have some things in common. It doesn’t matter how innovative this or that music app is, or tries to be. There are some elements every music apps will have. Take a look at the icons for example. Chances are, there will be good old “play”, “step backward”, “step backward” icons.

And, if we tap or click on “play” icon, the pause or stop icon will suddenly appear as well. There might also be “volume” icon. Or, it will be hidden somewhere in the settings, which is yet another quite familiar icon. Why is that? The reason is simple. Designers who designed these apps want to achieve at least two specific goals. What are these two goals?

First, they want to create something, a nice user interface, that will stand out. They know that they have only a few seconds to convince people browsing the app store to choose their app. Just a blink of an eye and nothing more. This means that the user interface has to be interesting, visually pleasing, inviting and at least a bit innovative. Otherwise, it is yet another app.

When we go too far

However, these designers also know they can’t go too far. What will happen if they go too far and create user interface that is, let’s say “too” innovative? Two things. One, the app might become too hard for people to use. This will not be a problem if the user interface of the app is intuitive. Meaning, it is easy to learn for the people to understand and use the app, as we discussed earlier.

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If this is true, the person will be willing to overcome the initial hurdles and start using the app, i.e. become a user. Unless the designers of the app went far. Then, situation number two will happen. The interface will look too foreign, strange, different. It will evoke fear of the unknown. As a result, the person will not even try the app. It looks weird. Therefore, it will be hard to use.

This may sound too far-fetched, but think about it. The app has only a few seconds to make good first impression. In those precious seconds, it is usually the primitive part of our brain that acts on basic instincts that makes decisions. This part doesn’t care about reasons and logic. It has to decide quickly because something could otherwise kill us.

Bringing in some familiarity

It is for reason, to avoid the second scenario, why the designers used those icons. They knew that doing so will help them bring in at least a bit of familiarity. It is this principle of familiarity what can help us create user interface that is innovative, but that doesn’t look too strange or different. So, although we are creating some new we are not going too far, over the edge.

The billion-dolar question is, how can we bring familiarity into any user interface? The answer. We have to start with the basics, the fundamentals. Do you remember the icons in music app interface? These icons are exactly those fundamental elements we are looking for. When user sees them, it is very likely that she knows what each icon means, what it represents and what it does.

When we start working on a new and innovative user interface, this is the place to start. We have to look for some fundamental elements we can use to bridge the gap between the known and unknown. What elements can we bring into the interface to make it more familiar? Is there something people are used to that is related to the product or service you are working on?

Icons are a very good place to start because they are often create a separate language. This is true especially if we talk about icons that are well known and used frequently. So, let’s say that the user interface, we work on, contains some universal icons. Then, we can increase familiarity by using icons people would expect to find in a similar interface.

Just because we want to create an innovative user interface, we don’t have to reinvent literally everything. We can still implement some elements people are used to and use these elements to make the interface more approachable.

Another way to increase familiarity is by using universal patterns in the layout and structure of the interface. We can distribute the elements and content in a way people would expect it, using a similar product. Why music apps have playlists, real estate apps and sites listings, car sharing apps maps? Necessity? Not necessarily. It makes it easier for people to start using the app. Innovative user interface doesn’t have to be completely different.

Finally, we can use universal patterns in user flows. People are used to doing things in a certain way. It is habitual. We can embrace this and design the user interface accordingly. Every interface helps the user achieve some goal. So, what goal are we talking about? How similar products help user achieve that goal? Again, we don’t have to reinvent everything.

When our goal is increasing familiarity, the easiest thing to do is to look for inspiration elsewhere. We can research similar interfaces on the market. We can research physical object that work in a similar way. We have to look for those universally appreciable fundamental patterns and then implement them in some shape and form in our user interface.


The second principle is also simple. Intuitive user interface embraces consistency. Every interface should have one style guide and use it consistently. If we use specific element somewhere, with some specific visual (and functional) attributes, we should then use that element again only with those same attributes. We should not change its style or function.

This doesn’t mean that we should not use different variants of buttons or typographic elements. Not at all. These elements should come in multiple variants, one for every use case (success, error, different sizes, etc.). And, these variants should be presented in our style guide and we should stick to them and never deviate. This also applies to types of screens, pages and so on.

If we want to create intuitive user interface, we can’t afford letting people guess what will some element do. Sure, it will be a guess when the users use the element or visit that type of screen, for the first time. However, the user should be able to successfully predict how that element works, on any other place in the interface. Consistency matters.


Every at least a bit innovative user interface usually comes with a knowledge gap. In other words, people will probably need to learn how to use the interface. This is sometimes unavoidable. Here, we have two goals. Our first goal is to make this learning phase as short and easy as possible. We should create a simple onboarding process to help the user start using the interface.

There should be also a dedicated place where users can find instructions and reach for help. We should never rely on users’ memory, thinking they will remember everything. And, we should never assume that users will find the way to get to the “section” where they can find additional information and help. The path there should be visible and it should be easily accessible.

Our second goal is to build the interface in a way that helps users learn how to use it. In the best-case scenario, the user should be unaware that the interface itself is helping her learn the knowledge that is necessary. In some sense, yes, the interface is training the user. However, she doesn’t even notice it. It all seems natural for her. How to achieve this?

A very simple, quick and intuitive onboarding process is a good place to start. The interface should invite the user and gently guide her so she can explore it and interact with it. It is similar to “exploring” with an assistant a car in a showroom before you buy it. Or, when you want to buy a new house. A short introduction followed be free exploration. And, you can ask on anything.

This is the ideal situation. When new user start using the interface, there should be a simple and quick onboarding process. Nothing too long. Just showing the basics that will help the user make the first steps. Next, there should be some easily accessible place where user can find any information she may want to know.

Finally, it can happen that the user interface contains something that might require additional information. In that case, we can use tooltips and info boxes to provide the user with necessary information. This has one big benefit. It reduces the amount of work the user has to do to find the information. We make the information available in the moment the user needs it the most.

Sure, we could provide the user just with a link to documentation. However, that would increase the amount of work that has to be done on the side of the user. This is something we want to avoid. User interface should be effective and do as much of the heavy lifting for the user.


This brings us to the fourth and final principle to create intuitive user interface. Interface should be invisible. People use specific products and services because they have some goal to achieve or job to get done. Interface should be invisible in the sense that it helps the user achieve her goal, or complete the job, as quickly and smoothly as possible.

Interface is invisible, methodologically speaking, when, as I mentioned, it does most of the heavy lifting for the user. Intuitive user interface provides the user with all she needs in order to achieve her goal. In case of a music app, the goal can be listening, exploring or storing the music. In case of accounting software, it can be creating invoices or bookkeeping.

It is important is to remember that we are talking about the goals of the user. We are not talking about our goals or goals of the interface itself. We have to make sure that we know what user’s goals are, what are those jobs to be done. Then, we have to design the interface in a way that leads to their accomplishment. And, we should find the most effective way to get there.

This means we have to know who exactly our user is. In other words, our design process has to start with the user. We can’t design intuitive user interface without knowing the user. This is not how it works. We need to remember that user interface has to be always built for a specific user. This is our job. It is not building an interface and then looking for the “right” users.

Closing thoughts on principles for creating intuitive user interface

This is it. These are the four main principles that will help you design more intuitive user interfaces. I know that these principles sound simple. They are simple. However, that doesn’t mean all designers know and follow them. Simplicity itself will never make things automatic or easier. Unfortunately, this is not how the things and world works.

What’s worse, we often try to ignore those simple things and look for something more complex. Similar? Consistent? Learnable? Invisible? Every designer knows these principles. Is this true? And, if so, is every designer following these principles? It is not enough to know something. We have to also use what we know. Knowledge itself is useless without application.

This brings us to the final step, the application. From now on, it is only up to you to use these four principles you’ve learned today. These principles will not apply themselves automatically. So, now, go ahead. Use these simple principles and build better and more intuitive user interfaces. Do it for the users. With that, thank you for your time and have a great day!

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26 Weight Loss Tips That Are Actually Evidence-Based

The weight loss industry is full of myths.

People are often advised to do all sorts of crazy things, most of which have no evidence behind them.

However, over the years, scientists have found a number of strategies that seem to be effective.

Here are 26 weight loss tips that are actually evidence-based.

It is often claimed that drinking water can help with weight loss — and that’s true.

Drinking water can boost metabolism by 24–30% over a period of 1–1.5 hours, helping you burn off a few more calories ( 1 , 2 ).

One study showed that drinking a half-liter (17 ounces) of water about half an hour before meals helped dieters eat fewer calories and lose 44% more weight, compared to those who didn’t drink the water ( 3 ).

Eating whole eggs can have all sorts of benefits, including helping you lose weight.

Studies show that replacing a grain-based breakfast with eggs can help you eat fewer calories for the next 36 hours as well as lose more weight and body fat ( 4 , 5 ).

If you don’t eat eggs, that’s fine. Any source of quality protein for breakfast should do the trick.

Coffee has been unfairly demonized. Quality coffee is loaded with antioxidants and can have numerous health benefits.

Studies show that the caffeine in coffee can boost metabolism by 3–11% and increase fat burning by up to 10–29% ( 6 , 7 , 8 ).

Just make sure not to add a bunch of sugar or other high-calorie ingredients to your coffee. That will completely negate any benefits.

You can shop for coffee at your local grocery store, as well as online.

Like coffee, green tea also has many benefits, one of them being weight loss.

Though green tea contains small amounts of caffeine, it is loaded with powerful antioxidants called catechins, which are believed to work synergistically with caffeine to enhance fat burning (9, 10 ).

Although the evidence is mixed, many studies show that green tea (either as a beverage or a green tea extract supplement) can help you lose weight ( 11 , 12 ).

Green tea is available at most pharmacies, health stores, and grocery stores, as well as online.

Intermittent fasting is a popular eating pattern in which people cycle between periods of fasting and eating.

Short-term studies suggest intermittent fasting is as effective for weight loss as continuous calorie restriction ( 13 ).

Additionally, it may reduce the loss of muscle mass typically associated with low-calorie diets. However, higher-quality studies are needed before any stronger claims can be made ( 14 ).

A fiber called glucomannan has been linked to weight loss in several studies.

This type of fiber absorbs water and sits in your gut for a while, making you feel more full and helping you eat fewer calories (15).

Studies show that people who supplement with glucomannan lose a bit more weight than those who don’t ( 16 ).

You can find glucomannan supplements not only at vitamin shops and pharmacies but also online.

Added sugar is one of the worst ingredients in the modern diet. Most people consume way too much.

Studies show that sugar (and high-fructose corn syrup) consumption is strongly associated with an increased risk of obesity, as well as conditions including type 2 diabetes and heart disease ( 17 , 18 , 19 ).

If you want to lose weight, cut back on added sugar. Just make sure to read labels, because even so-called health foods can be loaded with sugar.

Refined carbohydrates include sugar and grains that have been stripped of their fibrous, nutritious parts. These include white bread and pasta.

Studies show that refined carbs can spike blood sugar rapidly, leading to hunger, cravings and increased food intake a few hours later. Eating refined carbs is strongly linked to obesity ( 20 , 21 , 22).

If you’re going to eat carbs, make sure to eat them with their natural fiber.

If you want to get all the benefits of carb restriction, then consider going all the way and committing to a low-carb diet.

Numerous studies show that such a regimen can help you lose 2–3 times as much weight as a standard low-fat diet while also improving your health (23, 24 , 25 ).

Using smaller plates has been shown to help some people automatically eat fewer calories ( 26 ).

However, the plate-size effect doesn’t appear to affect everyone. Those who are overweight seem to be more affected ( 27 , 28 ).

Portion control — simply eating less — or counting calories can be very useful, for obvious reasons ( 29 ).

Some studies show that keeping a food diary or taking pictures of your meals can help you lose weight ( 30 , 31).

Anything that increases your awareness of what you are eating is likely to be beneficial.

Keeping healthy food nearby can help prevent you from eating something unhealthy if you become excessively hungry.

Snacks that are easily portable and simple to prepare include whole fruits, nuts, baby carrots, yogurt and hard-boiled eggs.

Taking probiotic supplements containing bacteria of the Lactobacillus subfamily have been shown to reduce fat mass ( 32 , 33 ).

However, the same doesn’t apply to all Lactobacillus species. Some studies have linked L. acidophilus with weight gain (34).

You can shop for probiotic supplements at many grocery stores, as well as online.

Chili peppers contain capsaicin, a spicy compound that can boost metabolism and reduce your appetite slightly ( 35 , 36 ).

However, people may develop tolerance to the effects of capsaicin over time, which may limit its long-term effectiveness ( 37 ).

Doing aerobic exercise (cardio) is an excellent way to burn calories and improve your physical and mental health.

It appears to be particularly effective for losing belly fat, the unhealthy fat that tends to build up around your organs and cause metabolic disease ( 38 , 39 ).

One of the worst side effects of dieting is that it tends to cause muscle loss and metabolic slowdown, often referred to as starvation mode ( 40 , 41 ).

The best way to prevent this is to do some sort of resistance exercise such as lifting weights. Studies show that weight lifting can help keep your metabolism high and prevent you from losing precious muscle mass ( 42 , 43 ).

Of course, it’s important not just to lose fat — you also want to build muscle. Resistance exercise is critical for a toned body.

Fiber is often recommended for weight loss.

Although the evidence is mixed, some studies show that fiber (especially viscous fiber) can increase satiety and help you control your weight over the long term ( 44 , 45 ).

Vegetables and fruits have several properties that make them effective for weight loss.

They contain few calories but a lot of fiber. Their high water content gives them low energy density, making them very filling.

Studies show that people who eat vegetables and fruits tend to weigh less ( 46 ).

These foods are also very nutritious, so eating them is important for your health.

Sleep is highly underrated but may be just as important as eating healthy and exercising.

Studies show that poor sleep is one of the strongest risk factors for obesity, as it’s linked to an 89% increased risk of obesity in children and 55% in adults ( 47 ).

A recent study found that 19.9% of people in North America and Europe fulfill the criteria for food addiction ( 48 ).

If you experience overpowering cravings and can’t seem to curb your eating no matter how hard you try, you may suffer from addiction.

In this case, seek professional help. Trying to lose weight without first combating food addiction is next to impossible.

Protein is the single most important nutrient for losing weight.

Eating a high-protein diet has been shown to boost metabolism by 80–100 calories per day while shaving 441 calories per day off your diet ( 49 , 50 , 51 ).

One study also showed that eating 25% of your daily calories as protein reduced obsessive thoughts about food by 60% while cutting desire for late-night snacking in half ( 52 ).

Simply adding protein to your diet is one of the easiest and most effective ways to lose weight.

If you struggle to get enough protein in your diet, taking a supplement — such as protein powder — can help.

One study showed that replacing some of your calories with whey protein can cause weight loss of about 8 pounds over time while increasing muscle mass ( 53 ).

Whey protein is available at most health stores and online.

Sugar is bad, but sugar in liquid form is even worse. Studies show that calories from liquid sugar may be the single most fattening aspect of the modern diet ( 54 ).

For example, one study showed that sugar-sweetened beverages are linked to a 60% increased risk of obesity in children for each daily serving ( 55 ).

Keep in mind that this applies to fruit juice as well, which contains a similar amount of sugar as a soft drink like Coke ( 56 ).

Eat whole fruit, but limit or avoid fruit juice altogether.

If you want to be a leaner, healthier person, then one of the best things you can do for yourself is to eat whole, single-ingredient foods.

These foods are naturally filling, and it’s very difficult to gain weight if the majority of your diet is based on them.

One of the biggest problems with diets is that they rarely work in the long term.

If anything, people who diet tend to gain more weight over time, and studies show that dieting is a consistent predictor of future weight gain ( 57 ).

Instead of going on a diet, aim to become a healthier, happier and fitter person. Focus on nourishing your body instead of depriving it.

Weight loss should then follow naturally.

Your brain may take a while to register that you’ve had enough to eat. Some studies show that chewing more slowly can help you eat fewer calories and increase the production of hormones linked to weight loss ( 58 , 59 ).

Also consider chewing your food more thoroughly. Studies show that increased chewing may reduce calorie intake at a meal ( 60 ).

These practices are a component of mindful eating, which aims to help you slow down your food intake and pay attention to each bite.

Numerous techniques can aid your weight loss goals.

Some of the above tips are purely dietary, involving eating more protein or cutting back on added sugar.

Others — such as improving sleep quality or adding a workout routine — are more lifestyle-based. For example, chewing more slowly is one step you can take to institute mindful eating.

If you implement a handful of these tips, you’ll be well on your way to your weight loss goals.

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