Randomized Controlled Trials (RCTs)
8:56
YouTubeUNICEF Innocenti
Randomized Controlled Trials (RCTs)
A randomized controlled trial (RCT) is an experimental form of impact evaluation in which the population receiving the programme or policy intervention is chosen at random from the eligible population, and a control group is also chosen at random from the same eligible population. It tests the extent to which specific, planned impacts are being ...
已浏览 36万 次2014年10月29日
Random Sampling Examples
Statistics Lecture 1.5: Sampling Techniques. How to Develop a Random Sample
31:45
Statistics Lecture 1.5: Sampling Techniques. How to Develop a Random Sample
YouTubeProfessor Leonard
已浏览 33.1万 次2011年12月8日
Methods 101: Random Sampling
2:26
Methods 101: Random Sampling
YouTubePew Research Center
已浏览 24.4万 次2017年5月12日
Simple Random Sampling
4:33
Simple Random Sampling
YouTubeSteve Mays
已浏览 62.2万 次2011年8月26日
热门视频
Randomization Units in A/B Testing: Easy Explanation for Data Science Interviews
8:31
Randomization Units in A/B Testing: Easy Explanation for Data Science Interviews
YouTubeEmma Ding
已浏览 3.7万 次2022年7月4日
Explaining Randomization in Clinical Trials
7:25
Explaining Randomization in Clinical Trials
YouTubeU.S. Department of Health
已浏览 5.6万 次2017年9月29日
What is “randomization”?
4:30
What is “randomization”?
YouTubeAnn & Robert H. Lurie
已浏览 1.5万 次2020年3月16日
Random Sampling Methods
Sampling: Simple Random, Convenience, systematic, cluster, stratified - Statistics Help
4:54
Sampling: Simple Random, Convenience, systematic, cluster, stratified - Statistics Help
YouTubeDr Nic's Maths and Stats
已浏览 176.8万 次2012年3月14日
SIMPLE Random Sampling Methods (12-3)
6:05
SIMPLE Random Sampling Methods (12-3)
YouTubeResearch By Design
已浏览 4648 次2023年1月7日
Sampling: Sampling & its Types | Simple Random, Convenience, Systematic, Cluster, Stratified
13:18
Sampling: Sampling & its Types | Simple Random, Convenience, Systematic, Cluster, Stratified
YouTubeDigital E-Learning
已浏览 135.2万 次2020年5月2日