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since 发表于 2011-11-17 18:31 ![](static/image/common/back.gif)
咋做的调查? 网络form? phone? 寄信?
9万以上分的也太粗了。。。
As I mentioned before, my company hired a research company to conduct an on-board survey using self-completion methodology. Let me explain a little bit about this methodology. The research company designed surveys and send to the people by three ways: hand to the surveys by person, send emails, and phone interviews.
Don't just concentrate on 90K and above. We shoudl see how much space there for $65K and above.
Hope I answered your questions.
Have a great day. |
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