设定研究范围时不要过于宽泛,因为如果目标太大、涉及面过于广泛,很有可能无法达到目标,那整篇论文研究全部fail。 Secondly, the writer can use questionnaire study to complete the research, because the creator stays in United kingdom, and it has the opportunity to gather facts. The author models questionnaire for customers of TESCO grocery store, it contains shoppers’ gender and age, that's... https://researchproposal57912.qowap.com/70642415/the-fact-about-美国research-proposal代写-that-no-one-is-suggesting