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Snowball Case Sampling
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Snowball Case Sampling
Encyclopedia
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Snowball Case Sampling
滚雪球式案例抽样
一种用来选择知情人士或决定性个案的操作方式。是一种多阶段的抽样技术,始于一个或少数人或个案,然后根据与初始个案的联结而扩展开来。样本像雪球一样越滚越大,直到收集到的信息达到饱和为止。
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calculating equivalent
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calculating rule
calculatio and analysis of wind power plant grid interation
calculation
calculation experiment of mega projects organization
calculation map of reserves
calculation methods of free energy
calculation method with abacus
calculation of cleanroom
calculation of displacement
calculation of environmental flow in streams
calculation of hydraulic transients
calculation of mine ventilation quantity
calculation of pollution carrying capacity on water function zone
calculation of possible sunshine by outline shading diagram
calculation of reserves
calculation of river surface profile
calculation of uranium content by delayed fission neutron logging
calculation of uranium content by prompt fission neutron logging
calculation of uranium content by uranium gamma-ray logging
calculation of uranium reserves by gamma-ray logging
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