可用性指南：优化用户体验

2.5 为工作记忆限制设计

相关重要指数：4级

证据强度：5级

文件类型：指南

主题：

常规用户体验

指南：

在网站上不要让用户记住从一个地方到另一个地方的信息。

注释：

短时间内，用户能记住的信息相对较少，一项有关23-44年龄段和61-68年龄段两组有关工作记忆对照实验表明，年轻组比年老祖执行确实更好。

当用户必须记住一个网页上的信息，为了能在另一个页面或同一页面其他位置使用时；但他们在几秒钟内只能记住3/4项内容。如果用户想要进行对比时，最好将内容并排比较。这样用户即使在很短的时间内也不必记住信息。

资源：

1.hlstrom, V. & Longo, K. (2001). Human factors design guide update (Report number DOT/FAA/CT-96/01): A revision to chapter 8 - computer human interface guidelines. Retrieved November 2005

2. Baddeley, 1986.

3. Bailey, R.W. (2000a, September). Reducing reliance on superstition. Retrieved November 2005

4.Broadbent, D.E. (1975). The magic number seven after fifteen years. In A. Kennedy & A. Wilkes (Eds.), Studies in Long-Term Memory (pp. 3-18). New York: Wiley.

5.Brown, J. (1958). Some tests of the decay theory of immediate memory. Quarterly Journal of Experimental Psychology, 10, 12-21.

6.Cockburn, A. & Jones, S. (1996). Which way now? Analysing and easing inadequacies in WWW navigation. International Journal Human-Computer Studies, 45, 105-129.

7.Curry, M.B., McDougall, S., & de Bruijn, O. (1998). The effects of the visual metaphor in determining icon efficacy. Human Factors and Ergonomics Society Annual Meeting Proceedings, 1590-1594.

8. Evans, M. (1998). Web Design: An Empiricist’s Guide. Unpublished master’s thesis. Seattle: University of Washington. Retrieved May 2003,

9. Kennedy, A. & Wilkes, A. (1975). Studies in Long-Term Memory. New York: John Wiley & Sons.

10. LeCompte, D.C. (1999). Seven, plus or minus two, is too much to bear: Three (or fewer) is the real magic number. Human Factors and Ergonomics Society Annual Meeting Proceedings, 289-292.

11.LeCompte, D.C. (2000). 3.14159, 42, and 7 ± 2: Three numbers that (should) have nothing to do with user interface design. Retrieved November 2005

12. MacGregor, J.N. (1987). Short-term memory capacity: Limitation or optimization? Psychological Review, 94(1), 107-108.

13. McEneaney, J.E. (2001). Graphic and numerical methods to assess navigation in hypertext. International Journal of Human-Computer Studies, 55, 761-766.

14.Nordby, K., Raanaas, R. & Magnussen, S. (2002). Keying briefly presented multiple-digit numbers. Behaviour and Information Technology, 21(1), 27-38.

15. Raanaas, R., Nordby, K. & Magnussen, S. (2002). The expanding telephone number: Age variations in immediate memory. Behaviour and Information Technology, 21(1), 39-45.

16. Spyridakis, J.H. (2000). Guidelines for authoring comprehensible web pages and evaluating their success. Technical Communication, 47(3), 359-382.

相关可用性指南：

1. Usability Guideline: Reduce User's Workload