I am a professor who teaches ergonomics and had purchased this book in the hopes of finding some new ideas to introduce into my labs. Unfortunately, this book is completely useless unless you already own (or can borrow) the other books that they continually reference in their lab descriptions. (e.g. Barnes, 1980, and Konz, 1990). These books are 20-30 years old, so why should the authors assume that you have access to these other textbooks? Their methods and descriptions of the equipment set-up, refer to these other books, so unless you have them, you won't be able to even try the labs.
I actually had access to both of these books, but even with those references I find this lab manual to be worthless. They "simplify" formulas without ever stating that they are "rounding" the constants, and don't explain where these formulas come from. (Saying that 1.96 squared = 4, may be OK in some settings, but students will never associate "two standard deviations away from the mean in a normal distribution" if all they see is the constant "4".) Also when talking about machine utilization vs idle time, "p" is typically used to denote a "proportion" so the values would be bounded between 0 and 1. This book assumes you are using a percent, but never explains that "p" is not being used differently. Without taking the time to breakdown the formulas, I would have never figured out why the values were so wildly out of the ball park.
I can't see this manual being useful for anyone: it doesn't give enough information for a novice to learn much, and there are so many inconsistencies and incomplete thoughts that an expert is better off making a lab exercise up on their own.
- 版本： Kindle电子书
- 文件大小： 6412 KB
- 同步设备使用情况： 根据出版商限制，最多 4 台同步设备
- 出版社: CRC Press; 1 (2008年11月19日)
- 语种： 英语
- ASIN: B00OD4PNBA
- 标准语音朗读： 未启用
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- 用户评分: 1 买家评价
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