Archival Version

ICPSR data undergo a confidentiality review and are altered when necessary to limit the risk of disclosure. ICPSR also routinely creates ready-to-go data files along with setups in the major statistical software formats as well as standard codebooks to accompany the data. In addition to these procedures, ICPSR performed the following processing steps for this data collection: Created online analysis version with question text..ICPSR数据需经过保密审查，且在必要时会进行调整以降低数据泄露风险。ICPSR还会常规生成可直接使用的数据文件，同时提供适配主流统计软件格式的配置程序，以及伴随数据发布的标准代码手册。除上述流程外，ICPSR还针对本次数据集开展了以下处理步骤：创建了包含题目文本的在线分析版本。