interaction-design

Captcha algorithm

I've notised that Stack Overflow only presents me with a captcha occasionally. Does anyone know if it has a good algorithm for sensing if I might be a robot or, instead if it's just random. Reducing reliance on captchas is obviously a good thing. ...

Open source projects requiring interaction designers, usabilitity?

I am looking for any open source projects to get myself involved in where I can contribute my skills as an interaction designer - focusing on usability and obviously good user interaction. I looked at a couple at sourceforge, but looks like they bundle usability with graphic design (I shall tackle that issue another day). Any ideas on...

Wizard pattern and other GUI patterns for infrequent, complicated task

We are thinking of using a Wizard pattern to help a user complete a task. The Wizard pattern seems to solve our problem. We are also interested in what human factors research might have to say about the basic problem of a non-expert user needing to accomplish an infrequent and complicated task-–-are there other, possibly better paradig...

What's the name of this UI pattern?

Sometimes when some feature requires many different settings, they are written in a cloze-like text, where the gaps (=variables) are displayed as comboboxes or hyperlinks which open some kind of lookup list. Example: If the available space is less than [10%/5%/1MB/...] then [send e-mail to admin/play a sound/...] The Outlook rules...

UI design pattern for multi level grid

currently I have a requirement to display related items in a multi level grid. that is great grandparent -> grandparent-> parent-> child For example: Country-> state->City->Street is the order of display. The proposed solution is to display all these in a multi level grid (4 levels maximum). Country -> state ->City ...

Does a reference work with human behavior/perception patterns exist?

In all current and future projects I pledged to concentrate all the ground work around interaction design. I'm aware of Alan Cooper's work, and it's excellent, but what I'm looking for is a reference work with observed human behavior when confronted with certain visual elements and usage scenarios. Some kind of "user psychology for dev...

What is the best way to model a richly interactive GUI (using use-cases or other approaches)?

My company develops a rich GUI from a detailed specification document, written as 100+ Use-cases (UC's). These detailed UC's drive the development. They are written as tables with actor and description columns. We (me and others) have mangled real UC prose style to support the interactive nature of our application. We also use the spec...

what are evaluation techniques for HCI projects (without involving users, or psychologist) ?

I'm going to choose a topic for my thesis and it will be a HCI project. (human computer interaction). It will be a research project, and I need to think some kind of evaluation for it. I would prefer to not use human users or having to collaborate with psychologist for it. Is there any metric, or evaluation models I could use instead ?...