1统计分析方法的选择对于定量资料,应根据所采用的设计类型、资料具备的条件和分析目的 ,选用合适的统计学方法,不要盲目套用t检验和单因素方差分析;对于定性资料,应根据采用的设计类型、定性变量的性质和频数所具备的条件及分析目的 ,选用合适的统计学分析法,不要盲目套用χ2检验。对于回归分析,应结合专业知识选择合适的回归类型,不应简单 1 The choice of statistical analysis methods For quantitative data, should be based on the type of design used, the conditions for the data and analysis purposes, the choice of appropriate statistical methods, do not blindly apply t test and one-way analysis of variance; for qualitative data, should be based on The type of design used, the nature and frequency of qualitative variables, the conditions and purposes of analysis, the choice of appropriate statistical analysis, do not blindly apply the χ2 test. For regression analysis, we should select appropriate regression type based on professional knowledge, which should not be simple