The Interaction Designer's PDA Edition

New posting added after your last visit at GUUUIResearch and Statistics
Optimal line length on monitors
Dr. Bob Bailey has looked at the literature about optimal line length when reading from a monitor:

"What can we conclude when users are reading prose text from monitors? Users tend to read faster if the line lengths are longer (up to 10 inches). If the line lengths are too short (2.5 inches or less) it may impede rapid reading. Finally, users tend to prefer lines that are moderately long (4 to 5 inches)."

The article Optimal Line Length: Research Supporting

Henrik Olsen | June 01, 2003

New posting added after your last visit at GUUUIMethods and the Design Process
How search query analysis can help us understand users
At Martin Belam's personal web-site, you'll find some very interesting articles on his search query analysis of the BBCi website. His findings shows us how such analysis can help us shape better interactions with websites.

Some of his major findings:
- Over 80% of the users make unique searches that never make the top 500 searches
- 1 in 12 searches are misspelled
- 1 in 5 attempts to use advanced search fail
- URLs make up around 3% of searches
- 36% of searches consisted of just one word, 35% two words, 16% contained 3 words

According to Belam, we can use such findings to:
- Discover misspellings, synonyms, non-conventional naming, URLs, and searches with few descriptive words and leverage this knowledge to provide the best possible content available within search results
- Spot popular content to be promoted more prominently and what non-existent content to provide
- Verify navigational labels against terms used by the visitors

The article How Search Can Help You Understand Your Audience
The article A Day In The Life Of BBCi Search

Henrik Olsen | May 24, 2003

New posting added after your last visit at GUUUIInterviews
Interview of James Howard Kunstler
This is a Good Experience interview of the urban critic Jim Kunstler, author of "Geography of Nowhere."


Mark Hurst | May 22, 2003

New posting added after your last visit at GUUUIHumor
Magnetic interface design toolkit
Building prototypes with this tool might not be ideal, but it could be useful for workshops and brainstorms - if it's big enough. Anyway, here you can buy your very own Magnetic Interface Design Toolkit maybe just for the fun of it.

The Magnetic Interface Design Toolkit

Henrik Olsen | May 22, 2003

New posting added after your last visit at GUUUIBusiness and Strategy
Convincing clients to pay for usability
Jakob Nielsen on how to convince clients to pay for usability:

"Consider software programming as an analogy: If you hired developers to code a piece of custom software and they claimed that there was no reason to debug the code, you would think they were crazy."

"Modern user interfaces are just as complex as software in terms of the number of different variables we combine. More importantly, 20 years of usability engineering experience have shown that it's impossible to design the perfect user interface on the first try."

"One answer to the question of how to get clients to pay for usability is to include it in the overall price rather than charge extra."

"Ultimately, the real answer to getting clients to pay for user testing and other user-centered design methods is to point out usability's astounding return on investment."

The article Convincing Clients to Pay for Usability

Henrik Olsen | May 19, 2003

New posting added after your last visit at GUUUIResearch and Statistics
Using Photographs to Increase Trust in a Website
According to Dr. Bob Bailey, current research and studies show that staff photographs increase peoples trust in a website. But they should be used with care. In a study of online shopping, the photographs had a positive impact on non-experienced shoppers, while some experienced shoppers rejected them as fluff.

The article Using Photographs to Increase Trust in a Website

Henrik Olsen | May 19, 2003