直接观点表达:
Another hazard for your back are the shock waves which travel up your spine when you walk, known as heel strike. A real find for our patients has been the shock-absorbing shoe insert. A cheap but very effective solution.支持
Finally, a word about the state-of-the-art relief- the TENS machine-a small battery-powered gadget which delivers subliminal electrical pulses to the skin. Our experience indicates that your money is better spent on the more old-fashioned remedies.反对
It can be useful to get special orthopaedic chairs, but remember the most important improvement should be in OUR posture.中立
Though absolutely flat shoes can be a solution for some, others find their posture suffers中立
间接观点表达:
Through observation study, you can just watch and take notes. And you can get some unforeseeable results from peoples behavior, but it can only cover certain aspects. Therefore, you need other research method to assist it. But you can try if you want.中立
Well, I think questionnaires are very good at telling you how people fill in questionnaires, but they tell you very little else. So better avoid it.反对
Face-to-face interview can help you get peoples facial expressions and body language, through which you can identify what they genuinely have in mind. But it depends sometimes. Not everyone is willing to open his or her mind to you.
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