Fastdev b

39
Usability 2 и.т . д. FastDev • 24–02–11

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Transcript of Fastdev b

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Usability 2и.т.д.

FastDev • 24–02–11

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Beauty

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As grey as the November sky

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Compare:

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Happy people solve problems more easily

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Simplicity

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Too much information

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Clutter: Too much information

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... and no hierarchy or clear organization!

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30

1200

3000

15

10

5

Credit

Max. default time

Maximum discount

Latest order

Surplus

Payment due (date)

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Very far away – ignoring the law of proximity

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30

1200

3000

15

10

5

Credit

Max. default time

Maximum discount

Latest order

Surplus

Payment due (date)

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30 1200

3000 15

10 5

Credit Max. default time

Maximum discount

Latest order

Surplus

Payment due (date)

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Impossible to see beginning and end

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Show what’s most important

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When I click on the icon for ”watch” om

my phone ...

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”Watch”

”Time right now”

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A system where you enter data ...

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Name: E-mail: Company: Credit:

This is OK

But when presenting it:

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Name: Eric SmithE-mail: [email protected]: Acme, Inc.Credit: 5 000 €

What’s important here?

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Name: Eric SmithE-mail: [email protected]: Acme, Inc.Credit: 5 000 €

The labels are not important!

Make labels grey and name bold

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Eric [email protected], Inc.5 000 €+4670-1234567 (home)

The labels are perhaps not needed!

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Do not repeat information

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When buying a house: list of bids

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• Good to distinguish things from each other

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Be understandable

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In prison

Let’s go to the woods!

Two buttons from office telephone

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Create new document

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Respect what people are used to

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Everyone clicked “Cancel”!