Posts Tagged ‘decision-making’

100 Things You Should Know About People: #36 — People are Inherently Lazy

Posted in decision-making, design, psychology, web design on June 28th, 2010 by Susan Weinschenk – 4 Comments

Photo Credit: Mr. Thomas

Ok, I’ll admit it, I am exaggerating a little bit when I say people are inherently lazy. What I really mean is that people will do the least amount of work possible to get a task done.

Is lazy another word for efficient? – Over eons of evolution humans have learned that they will survive longer and better if they conserve their energy. We’ve learned that we want to spend enough energy to have enough resources (food, water, sex, shelter), but beyond that we are wasting our energy if we spend too much time running around getting stuff.

How much is enough? — Of course questions about how much is enough, and do we have enough stuff yet, and how long should the stuff last (and on and on), still vex us, but putting the philosophical questions aside, for most activities most of the time humans work on a principle that is called “satisficing”.

Satisfy plus suffice = Satisfice – According to Wikipedia, Herbert Simon was the person who coined the term satisfice. It was originally used to describe a decision-making strategy whereby the person decides to pick the option that is adequate rather than optimal. The idea is that the cost of making a complete analysis of all the options is not only not worth it, but may be impossible. According to Simon we often don’t have the cognitive faculties to weigh all the options. So it makes more sense to make a decision based on “what will do” or what is “good enough” rather than trying to find the optimal or perfect solution.

Designing with satisficing in mind — So if people “satisfice” rather than “optimize”, what are the implications for those of us who design web sites, software, products, or even design surveys? Satisficing leads to some interesting design guidelines which I’ve listed below.

Design web sites for scanning, not reading – In his excellent book Don’t Make Me Think, Steve Krug applies the idea of satisficing to the behavior you can observe when someone comes to your web site. You are hoping the visitor will read the whole page, but we know that “What they actually do most of the time (if we’re lucky) is glance at each new page, scan some of the text, and click on the first link that catches their interest or vaguely resembles the thing they’re looking for. There are usually large parts of the page that they don’t even look at.”

Assume that people will look for shortcuts — People will looking for ways to do something faster and with less steps. This is especially true if it is a task they are doing over and over.

But if the shortcut is too hard to find — Then people will keep doing it the old way. This seems paradoxical, but it’s all about the amount of perceived work. If it seems like too much work to find a shortcut then people will stay with their old habits (they are even satisficing about satisficing).

Provide defaults — Defaults  reduce the amount of work. When you provide defaults on a web form, for example, the person’s name and address is already filled in, this means there is less that people have to do. The downside of this is that people often don’t notice defaults, and so may end up accepting a default without knowing. Here again, the answer lies in the amount of effort. If it takes a lot of work to change the result of accepting a “wrong” default, then think twice about using them.

Take care with the order and wording of your survey questions – Satisficing is particular difficult for surveys. People will get into a “groove” of answering all the questions the same way because it’s easier and they don’t have to think. If your survey is more than a few questions long you will have to mix it up, and provide different options and formats for the questions or you will find that a given individual has chosen twenty-five “6′s” in a row on your scale.

What are your experiences, either as a user or a designer, with the concept of satisficing?

Photo credit by Mr. Thomas

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100 Things You Should Know About People: #31 — The Desire For Control And Choice Is Built In

Posted in decision-making, neuro web design, psychology on March 29th, 2010 by Susan Weinschenk – 4 Comments

picture of book coverI’ve just started reading Sheena Iyengar’s new book, The Art of Choosing. I’ve been a fan of Dr. Iyengar’s work for a while. She’s the author of the famous “jam study”, that I talked about in a previous blog.   (I’ll do a book review of the new book in a future post). Early in the book she talks about some of the research on choosing and control.

The paradox of choosing – In his book The Paradox of Choice, Barry Schwartz talks about how much we want to have lots of choices. The paradox is that if we have lots of choices then we tend not to choose at all. I have a chapter in my book Neuro Web Design: What makes them click devoted to our need to have choices, and the resulting inability to choose.

The innate desire to control – The desire to control our environment is built into us. This makes sense, since by controlling our environment we likely increase our chances of surviving. Iyengar’s discussion in her new book about choices got me thinking about control, and the relationship between having lots of choices and being in control.  The desire to control is related to the desire to have choices.

The need to control starts young — In a study of infants as young as 4 months, the researchers attached babies’ hands to a string. The infants could move their hands to pull a string which would cause music to play. Then the researchers would then detach the string from the music control. They would play music at the same intervals, but the infant had no control over when the music would play. The babies would become sad and angry, even though the music was still playing at the same intervals. They wanted to control when the music played.

We think that choices = control — In an experiment with rats, the rats were given a choice of a direct path to food or a path that had branches and therefore required choices to be made. The rats preferred the path with branches. Monkeys and pigeons learn to press buttons to get food, but they prefer to have more than one button even though it doesn’t get them any more food. Even though it isn’t necessarily true, we equate having choices with having control. If are to feel in control, then we need to feel that our actions are powerful and that we have choices to make. Sometimes having a lot of choices makes it harder to get what we want, but we still want the choices so that we feel in control of the decision.

For more information about the books mentioned in this post (affiliate links):

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100 Things You Should Know About People: #29 – Brand Names Talk To Our “Old” Brains

Posted in brain, decision-making, neuro web design, psychology, unconscious on March 9th, 2010 by Susan Weinschenk – 3 Comments

You are planning on buying a new TV. Will you buy a brand you recognize? Or will you go for the unfamiliar “no name” brand that is less expensive? What if you are buying luggage?

Talking to the “old brain” – In my book, Neuro Web Design: What makes them click? I write about the “old brain”. This is the part of the brain that developed first from an evolution point of view (sometimes called the reptilian brain because it developed with reptiles). The old brain is continually scanning the environment and asking, “Can I eat it?”, “Will it kill me?”, “Can I have sex with it?”. Basically the old brain is interested in food, survival and sex. This pre-occupation with our well-being also makes the old brain sensitive to the idea of loss. The old brain is therefore more motivated by the fear of losing something than it is by the possibility of gain.

Brands activate “safety” – Brand names talk to the old brain because they activate the idea of safety. A brand name means that the item is not an unknown. And if the brand name is positive to you, then the brand name signals safety to the old brain. (If you have had a negative experience with the brand then it will be the opposite. I had a bad experience with Panasonic once many many years ago, and for over two decades I wouldn’t buy anything made by Panasonic. Recently I’ve reluctantly let go of that “ban”, but I still prefer not to buy Panasonic. I can’t even remember what the product was that upset me so much, but in my head Panasonic = maybe not reliable).

Brands are shortcuts – One of the things our old brains are really good at is making quick “blink” decisions. You can’t consciously process all the information that comes into your brain. The estimate is that 40,000,000 inputs come into your brain from your senses every SECOND. You can only process 40 of those consciously, so it is your unconscious that is processing most of that information, and it uses lots of shortcuts to make the processing go faster. Brands are a shortcut. A brand you have a positive and emotional experience with equals a signal to the old brain that this is safe.

Brands are even more powerful online – I’m currently analyzing some data I’ve collected on people making purchases online. (I’ll be sharing that data in another post shortly). The study I conducted has to do with customer reviews. But an interesting piece of information that emerged along the way was how important brand was to the purchasing decision. Some of the participants in the study were asked to shop for luggage online, and others were asked to shop for TVs. All the participants commented during the study about the brand, saying things like, “I don’t know. This one is a good price, but I’ve never heard of this brand”.  In the absence of being able to see and touch the actual product, the brand becomes the “surrogate” for the experience. This means that brands have even more power and sway when you are making an online purchase.

What has been your experience? Do you go for “name” brands more when you are shopping online?

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100 Things You Should Know About People: #25 — Trust Your Gut or Be Logical? It Depends On Your Mood

Posted in decision-making, psychology, research, unconscious on February 3rd, 2010 by Susan Weinschenk – Be the first to comment
Picture of Woman Looking In Mirror

Photo Credit: Katie Ricard

In a previous post on how mood affects your reaction to brands you know (see You Are Most Affected By Brands And Logos When You Are Sad And Scared), I talked about the research from Marieke de Vries of Radboud University Nijmegen, in the Netherlands. De Vries also did research on two types of decision making: a trusting -your- gut intuitive method vs. following a logical, deliberative decision-making process of weighing alternatives and thinking through pros and cons. De Vries was interested in whether one method of decision-making was better than another, and also whether your mood affected the outcome of the decision.

When to use deliberative decision-making — Research by Dijksterhuis shows that when you have simple decision to make you make better decisions when you use a logical deliberative method.

When to use intuitive decision-making – Research by Shiv shows that when you have a complicated decision to make, you make better decisions when you use an intuitive or “gut” method.

read more »

10 Best Posts of 2009

Posted in brain, decision-making, eye tracking, multitasking, psychology, reading, research, review, unconscious, usability, visual design, web design on December 29th, 2009 by Susan Weinschenk – 3 Comments

It’s that time of year — so here is my list of the 10 best posts from my blog in 2009. I chose the 10 that I believe have had the greatest impact/most thought provoking/most interest from my readers.

#1: Dopamine Makes You Addicted to Seeking Information — I thought this was an interesting post when I wrote it, but it surprised me how quickly it took off virally; more than any other post I’ve written!

#2: Eyetracking — 7 Traps to Avoid — Another surprise to me how popular this post was.

#3: 7 Steps to Successful Web Site Redesign — I think Jacek Utko has an important view of the world.

#4: Your Attention is Riveted By Pictures of People — If people knew how important this is I think they’d change the pictures they put at their web site.

#5: Web Site User Experience Anatomy — Not one of my posts, but a guest post by Craig Tomlin, and an interesting way to think about web sites. read more »

100 Things You Should Know About People: #17 — Your Unconscious Knows 1st

Posted in brain, decision-making, neuro web design, psychology, research, unconscious on December 3rd, 2009 by Susan Weinschenk – 4 Comments

You are shopping for a new computer and the salesperson you are talking to is offering you what seems to be a good deal. And yet there is a part of you that feels uncomfortable and isn’t sure if this is the right computer, or the right deal, or the right store for you. If you had to articulate why you felt uncomfortable you might not be able to say why, or you’d make up a reason, but that might not really be the reason. So what’s going on?

You unconscious mind is faster than your conscious mind – One of my favorite pieces of research is the study by Bechara and Damasio. It’s a little complicated to explain, so a few months ago I put together a short video “re-enactment” to help describe the research. I have a summary below as well:

read more »

100 Things You Should Know About People: #10 — You Want More Choices and Information Than You Can Actually Process

Posted in decision-making on November 13th, 2009 by Susan Weinschenk – 2 Comments

candy

If you stand in any aisle in any retail store in the USA you will be inundated with choices. Whether you are buying candy, cereal, TVs, jeans, you name it, you will likely have a huge number of items to choose from. This is because people want lots of choices. If you ask someone whether they would like to choose from a few alternatives or have lots of choices, most people will say that they want lots of choices.

Too Many Choices and We Freeze — In my book, Neuro Web Design, What makes them click? I talk about the classic research in the field of choice. Iyengar and Lepper (2000) decided to test out the theory that if you have too many choices you don’t choose at all. They  set up booths at a busy upscale grocery store  and posed as store employees. They alternated the selection on the table. Half of the time there were six choices of fruit jam for people to try and the other half of the time there were twenty-four jars of jam.

Which Table Had More Visitors? — When there were twenty-four jars of jam, 60% of the people coming by would stop and taste. When there were six jars of jam only 40% of the people would stop and taste. So having more choices was better, right? Nope, that’s wrong. read more »

100 Things You Should Know about People: #5 — You Make Most of Your Decisions Unconsciously

Posted in brain, decision-making, neuro web design, visual design on October 31st, 2009 by Susan Weinschenk – 4 Comments

You are thinking of buying a TV. You do some research on what TV to buy and then you go online to purchase one. What factors are involved in this decision making process?

It’s not what you think — I cover this topic in my book Neuro Web Design: What makes them click? You like to think that when you make a decision you have carefully and logically weighed all the relevant factors. In the case of the TV, you have considered the size of TV that works best in your room, the brand that you have read is the most reliable, the competitive price, whether you should get blu-ray, etc etc. But the research on decision-making, especially the recent research, shows that although you want to think that your decision-making is a conscious, deliberate process, it’s not. Most decisions are made through unconscious mental processing.

Unconscious decision-making includes factors such as:

What are most other people buying (social validation): “I see that a particular TV got high ratings and reviews at the website”

What will make me stay consistent in my persona (commitment): “I’m the kind of person that always has the latest thing, the newest technology.”

Do I have any obligations or social debts that I can pay off with this purchase (reciprocity): “My brother has had me over to his house all year to watch the games, I think it’s time we had them over to our place to watch”

and on and on.

Don’t Confuse Unconscious with Irrational or Bad. I take exception with Dan Ariely and his book, Predictably Irrational. Most of our mental processing is unconscious, and most of our decision-making is unconscious, but that doesn’t mean it’s faulty, irrational or bad. We are faced with an overwhelming amount of data (11,000,000 pieces of data come into the brain every second!) and our conscious minds can’t process all of that. Our unconscious has evolved to process most of the data and to make decisions for us according to guidelines and rules of thumb that are in our best interest most of the time. This is the genesis of “trusting your gut”, and most of the time it works!

So What To Do? — The next step is to think about what this means for people who design things like websites, where you are providing information and/or engaging customers to make a decision. This is, of course, the topic of my book, but let’s hear from you. If we know that people are making decisions unconsciously, rather than consciously, what are some strategies we should employ at the website to encourage them to engage?

And for those of you who like to read, great books on this topic are:

How We Decide by Jonah Lehrer — The BEST book on the topic of decision-making in general.

Strangers to Ourselves: The adaptive unconscious by Timothy Wilson — A little bit more academic, but still a great book.

The Paradox of Choice by Barry Schwartz

and of course

Neuro Web Design: What makes them click?

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100 Things You Should Know about People: #3 — You Can Only Remember 3 to 4 Things At A Time (The Magic Number 3 or 4)

Posted in decision-making, memory on October 28th, 2009 by Susan Weinschenk – 7 Comments

7 +  -  2???

3 or 4???

Those of you who have been in the field of usability or user experience for a few years have probably heard the phrase “The Magic Number 7 Plus Or Minus 2″. This refers, actually, to what I would call an urban legend. Here’s the legend part:

Legend: “A guy named Miller did research and wrote a research paper showing that people can remember from 5 to 9 (7 plus or minus 2) things, and that people can process 7 plus or minus 2 pieces of information at a time. So you should only put 5 to 9 items on a menu, or have 5 to 9 tabs on a screen”.

Have you heard this? If you’ve been reading about usability for a while I’m sure you have. Well, it’s not quite accurate. Another guy named Baddeley questioned all this urban legend. Baddeley dug up Miller’s paper and discovered that it wasn’t a research paper, it was a talk that Miller gave at a professional meeting. And it was basically Miller thinking out loud about whether there is some kind of inherent limit to the amount of information that people can process at a time.

Baddeley conducted a long series of studies on human memory and information processing. And what he concluded is that the number is 3 to 4, not 5 to 9.

You can remember about 3-4 things (for about 20 seconds) and then they will disappear from memory unless you repeat them over and over. For example, let’s say you are driving in your car and talking on your cell phone (ok, you shouldn’t be doing that) and someone gives you a number to call. But you don’t have a pen handy, and anyway you are driving. So you try to memorize the number long enough to hang up from one call and dial the new number. What do you do? You repeat the number over and over (putting it back into short term memory each time, which buys you another 20 seconds). The interesting thing about phone numbers is that they are more than 3 or 4 numbers long. So they are hard to remember for more than 20 seconds.

712-569-4532

We also tend to chunk information into groups that have 3-4 items in them. So a phone number in the US is: 712-569-4532. Three chunks, with 3-4 items in each chunk. If you know the area code “by heart” (i.e., it’s stored in long term memory), then you don’t have to remember that, so one whole chunk went away. Phone numbers used to be easier to remember because you mainly called people in your area code, so you had the area code memorized (plus you didn’t even have to “dial” the area code at all). And then if you were calling people in your town each town had the same “exchange” — that is the 569 part of the phone number above. So all you had to remember was the last four numbers. No problem! I know I’m “dating” myself here by telling you how it used to be back in the old days. (I live in a small town in Wisconsin, and people here still give their number out as the last four digits only).

But that’s not all! Researchers working in the field of decision-making tell us that people can’t effectively choose between more than 3 to 4 items at a time.

So, what does all this mean? Can you really only have 4 items on a navigation bar? or 4 tabs on a screen, or 4 items on a product detail page at an e-commerce web site? No, not really. You can have more, as long as you group and chunk.

Here’s an example: At the Upton Tea site they have lots of tabs, but the tabs are not chunked into groups of 3 or 4.

So people will tend to do a partial scan and not even look at or read all the tabs. (I love their teas, by the way.. just wish they would do some work on the layout and emotional aspects of their site, but that’s probably another blog!).

I’ve covered more than 4 items in this blog post, so I’ll stop now! For those of you who like to read research here are some references:

  • Baddeley, A. D. (1986). Working memory. New York: Oxford University Press.
  • Baddeley, A. D. (1994). The magical number seven: Still magic after all these years? Psychological Review, 101, 353-356.
  • Miller, G. A. (1956). The magical number seven plus or minus two: Some limits on our capacity for processing information. Psychological Review, 63, 81-97

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Watch Out For Spending More Because of Habit

Posted in decision-making on October 22nd, 2009 by Susan Weinschenk – 4 Comments

When I go to fill up on gas I always use the middle grade of gas… (this is the principle of contrast, by the way… when faced with choices of varying prices many people will pick the price that is one down from the most expensive… but that is a sidebar… it’s not even what this blog post is about!). And the middle grade of gas is supposed to be in the middle, right?

I don’t know if I’m getting paranoid these days or if this is a random occurence, or if some companies are actually trying to get me to spend more money, but here’s what I’ve been noticing: Instead of having the middle price in the middle… the HIGHEST price is actually in the middle! By habit I put the nozzle in the tank and always push the middle button… And I am therefore, unwittingly, choosing the most expensive gas.

Here are some examples:

And as we all know, once a habit is formed, it’s hard to break.

Anyone else been noticing this type of “switch” at gasoline pumps or in other ways?