Their statistical analysis hoped to reveal through a standard causality test based on the statistical question of asking whether past reported happiness levels could predict levels of aid offered.
他们的统计分析希望通过一个标准的因果关系实验揭示这一点，这个实验是建立在征询过去所报告的幸福感水平是否能够预测提供援助水平这个问题答案的基础上的。
Firstly, qualitative analysis is done on the listening materials and test questions of TEM-4 test papers in recent years to answer the first sub-question.
本文首先对近几年的TEM - 4听力试题进行了定性分析用以回答第一个问题。
Methods: Choise the 3~6 years old children from outpatient of lead prevention and some kindergarten to test their blood lead and question investigation, then statistics and analysis on the results.
方法：对铅防门诊和部分幼儿园的市区3~6岁学前儿童抽样检测血铅，并进行问卷调查与统计分析。
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