n Whats the most important thing I should












































- Slides: 44


n “What’s the most important thing I should do if I want to make sure my web site is easy to use? ”

It is not n “Nothing important should ever be more than two clicks away. ” n “Speak the user’s language. ” n “Be consistent. ”

Don’t make me think.

Web pages should be self-evident n We should be able to “get it” – What it is – How to use it n Without about it. expending any effort thinking




Things that make us think



“If you point the cursor at it, it’ll change from an arrow to a pointing hand. What’s the big deal? ”

Every question mark adds to our cognitive workload.

As a rule, people don’t like to puzzle over how to use things.





The most important principle of web design is to work toward eliminating question marks.

However, you cannot make everything self-evident.

However, you cannot make everything self-evident. Sometimes you need to settle for selfexplanatory.


“I’ve waited ten minutes for this bus already, so I may as well hang in there a little longer. ”

So why then? n Most people are going to spend less time looking at the pages we design than we think.

So why then? n Most people are going to spend less time looking at the pages we design than we think. n If web pages are going to be effective, they have to work most of their magic at a glance.


We’re thinking: “Let’s write some ‘great literature’ (or at least ‘product brochure’)”

The user’s reality is much closer to: “billboard going by at 60 miles an hour. ”

Fact of Life #1 n We don’t read pages; we scan them. – We’re usually in a hurry – We don’t need to read everything. – We’re good at it.


What one user sees

What another user sees

Fact of life #2 n We don’t make optimal choices. We satisfice.


Fact of life #2 n We don’t make optimal choices. We satisfice. – We don’t choose the best option – we choose the first reasonable option. – As soon as we find a link that seems like it might lead where we want, we click it.

Gary Klein – Sources of Power: How People Make Decisions

Why don’t web users look for the best choice? We’re usually in a hurry n There’s not much of a penalty for guessing wrong n Weighing options may not improve our chances n Guessing is more fun n – Less work – If you’re right it’s faster – Introduces an element of chance - serendipity

Fact of life #3 n We don’t figure out how things work. We muddle through ( form a mental model).




If people manage to muddle through… …does it really matter whether they get it? – Muddling tends to be inefficient and error-prone – If they get it: § Better chance they’ll find what they’re looking for. § Understand the full range of what your site has to offer § You have a better chance of steering them where you want them to go § They’ll feel smarter and more in control

What’s a girl to do? If your audience is going to act like you’re designing billboards, then design great billboards.

http: //users. drew. edu/sbradsha
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