[draft outline]
The Theory

Human behavior
As much as you like to code stuff. In the end it's about the people using it:
They muddle around, don't want to think but achieve goals etc.
They are not interested in the implementation model

Principles (are not rules)

Unify UX across core and contrib

Dont design for yourself or other module builders (but for…)

Don't assume, test on actual peoples

Challenges

Focus on the essentials (say no!)

How to make informed design decisions (usability test data)

Designing with limited resources

The Practice

Designing module x
- concept: what are you really making?
- wireframe it (and keep iterating on it)
- verify it to core patterns
- build it
- test it
- copywriting for module x

Using core interaction models
- Check the basics! (tables, tabs, actions, layout your settings page…)
- Contextual links
- Vertical tabs

The details

Information Architecture
Organising it all correctly; where do you add your admin link?

Standardisation
Verify your patterns to core
Dont do anything too different – you are not that special

Evaluate in context
Perform a user test
Which other modules are you likely to interact with?

Contribute to Drupal UX

Ask questions, sollicit feedback
Where to go:

Contributing to core

It's different…
Where to go: