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
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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.
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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 Unpublished master’s thesis.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