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|useit.com Alertbox Oct. 1997 Reading on the Web||| Search|
Jakob Nielsen's Alertbox for October 1, 1997:
People rarely read Web pages word by word; instead, they scan the page, picking out individual words and sentences. In a recent study John Morkes and I found that 79 percent of our test users always scanned any new page they came across; only 16 percent read word-by-word.
As a result, Web pages have to employ scannable text, using
We found that credibility is important for Web users, since it is unclear who is behind information on the Web and whether a page can be trusted. Credibility can be increased by high-quality graphics, good writing, and use of outbound hypertext links. Links to other sites show that the authors have done their homework and are not afraid to let readers visit other sites.
Users detested "marketese"; the promotional writing style with boastful subjective claims ("hottest ever") that currently is prevalent on the Web. Web users are busy: they want to get the straight facts. Also, credibility suffers when users clearly see that the site exaggerates.
|Site Version||Sample Paragraph||Usability Improvement
(relative to control condition)
|Promotional writing (control condition)
using the "marketese" found on many commercial websites
|Nebraska is filled with internationally recognized attractions that draw large crowds of people every year, without fail. In 1996, some of the most popular places were Fort Robinson State Park (355,000 visitors), Scotts Bluff National Monument (132,166), Arbor Lodge State Historical Park & Museum (100,000), Carhenge (86,598), Stuhr Museum of the Prairie Pioneer (60,002), and Buffalo Bill Ranch State Historical Park (28,446).||0%
with about half the word count as the control condition
|In 1996, six of the best-attended attractions in Nebraska were Fort Robinson State Park, Scotts Bluff National Monument, Arbor Lodge State Historical Park & Museum, Carhenge, Stuhr Museum of the Prairie Pioneer, and Buffalo Bill Ranch State Historical Park.||58%|
using the same text as the control condition in a layout that facilitated scanning
|Nebraska is filled with internationally recognized
attractions that draw large crowds of people every year, without fail.
In 1996, some of the most popular places were:
using neutral rather than subjective, boastful, or exaggerated language (otherwise the same as the control condition)
|Nebraska has several attractions. In 1996, some of the most-visited places were Fort Robinson State Park (355,000 visitors), Scotts Bluff National Monument (132,166), Arbor Lodge State Historical Park & Museum (100,000), Carhenge (86,598), Stuhr Museum of the Prairie Pioneer (60,002), and Buffalo Bill Ranch State Historical Park (28,446).||27%|
using all three improvements in writing style together: concise, scannable, and objective
|In 1996, six of the most-visited places in Nebraska
It was somewhat surprising to us that usability was improved by a good deal in the objective language version (27% better). We had expected that users would like this version better than the promotional site (as indeed they did), but we thought that the performance metrics would have been the same for both kinds of language. As it turned out, our four performance measures (time, errors, memory, and site structure) were also better for the objective version than for the promotional version. Our conjecture to explain this finding is that promotional language imposes a cognitive burden on users who have to spend resources on filtering out the hyperbole to get at the facts. When people read a paragraph that starts "Nebraska is filled with internationally recognized attractions," their first reaction is no, it's not, and this thought slows them down and distracts them from using the site.
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