| 1. | 4 . during the investigation of distinction in mathematical cognitive structure , the author uses statistical sampling method . by test - analysis , observation , conversation and exchanging with teachers , the qualitative and quantitative analysis is made
在对高中生数学认知结构个体差异的调查研究中，笔者首先采用整群+分层抽样的统计方法选取了样本，然后通过问卷测试?分析法、观察法、谈话法以及与数学教师的交流对调查结果做出了定量和定性的分析。 |
