研究二主要是将预测问卷进行施测，并对调查结果进行探索性因子分析，得出职业承诺的正式施测问卷。
Research two: we have the initial questionnaire surveyed, and conduct exploratory factor analysis, then develop the formal questionnaire of occupational commitment.
通过调查研究和探索性因子分析，发现中国快递服务质量主要包括过程质量、结果质量和企业形象三个维度。
By investigation and Exploratory Factor Analysis, it is found that the express service quality system comprises three dimensions named process quality, outcome quality and enterprise image.
第一步，通过探索性因子分析，测度研究工具的可靠性和有效性，结果显示量表结构有效，适合做因子分析。
Firstly, we measured the reliability and effectiveness of Research tools by exploratory factor analysis, the result showed that Scale structure is effective and suitable for factor analysis.
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