Description: A two-hour video lecture on sampling and sample size with a focus on cluster designs.
Link: Video lecture: Sampling and Sample Size
Who is this resource for: Researchers new to study design
Who created this resource: The lecturer is Rachel Glennerster, a PhD economist who was then the Executive Director of the Abdul Latif Jameel Poverty Action Lab (J-PAL) at MIT (whose founders received the 2019 Nobel Prize in Economics), and is currently the Chief Economist for the U.K. Department for International Development. The course is offered by J-PAL.
What does this resource offer:
The resource is a video recording of a live lecture.
|
Timestamp |
Topic |
|
5:40 |
Bias and Randomized Clinical Trials |
|
9:45 |
Bias and Variance (Precision) |
|
13:38 |
Thought experiment to introduce sampling distribution |
|
24:53 |
Hypothesis testing |
|
28:56 |
Power |
|
33:12 |
What influences power |
|
50:00 |
Power in clustered designs |
|
52:58 |
Intra-cluster correlation |
|
1:01:50 |
Calculating power in practice in a cluster design |