Friday, September 16, 2022
问题:观察法不仅仅是指用眼睛看,还包括其他如触觉、听觉等方面的体验。...
Sunday, April 21, 2024
问题:以下抽样方法中,抽取的每个单元都有相同的入样概率的是()。...
Sunday, September 11, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Thursday, September 15, 2022
问题:回归方程的显著性检验是通过计算()来进行的。A、S值B、F值C、r值D、Y值...
Monday, May 1, 2023
Friday, September 16, 2022
问题:()同时对具有两种或两种以上控制特征的每一个样本数目都作出具体的...
Friday, September 16, 2022
Friday, September 16, 2022
问题:损蚀物观察属于()。A、直接观察B、间接观察C、结构式观察D、无结构式观察...
Wednesday, August 30, 2023
问题:对国内政治环境的调查,主要是分析政府的方针政策,政...
Thursday, September 15, 2022
Sunday, September 11, 2022
Thursday, December 29, 2022
问题:第二手资料的获得主要是指其资料的获取采取了()。...
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Monday, May 1, 2023
问题:观察法不仅能观察到人的外部行为,也能说明其内在的动...
Friday, September 16, 2022