We choose the questionnaire is the method to use for scientific research, because this method is in line with our conditions, it saves a lot of time for us, we can easily perform the investigation, collect information from the object. everyone can win straight answer the questions fully and realistic, not afraid of anything because they don't have to sign your name on the paper. And then from there we can use easily and stats.
đang được dịch, vui lòng đợi..