港口民营化研究中自编量表信度和效度分析

Analysis on reliability and validity of questionnaire in port privatization study

为研究港口的民营化情况，编制测度港口民营化相关问题的量表．对量表进行项目分析、结构效度分析及内部一致性检验，剔除不合理题项，并探讨定量资料假设检验中某些常见错误．量表总信度CRONBACH的α因数达到0．837，各子量表信度在0．579～0．856，即除港口民营化环境影响因素子量表外，其他子量表均达到一般社会学测量要求．因子分析表明，量表具有可接受的结构效度，其建立为后续研究打下一定基础．

To study the port privatization, a questionnaire is developed. For the questionnaire, items and structure validity are analyzed, internal consistency is tested, and unreasonable questions are eliminated. The common mistakes are discussed in quantitative information hypothesis testing. Total reliability CRONBACH＇ s α of questionnaire achieves 0.837, and reliability of each sub-questionmaires is between 0.579 and 0.856, that is, all sub-questionnaires meet the general sociology measurement requirement. It is shown that the questionnaire reaches the acceptable structure validity according to the factor analysis and lays a basis for subsequent study.