Week 9

Agenda 3/18

1. Large-N Studies
   1. What characterizes “large-n” studies?
   2. What sources of data are used in large-N studies?
   3. What kinds of designs/data are used in large-N studies?
2. Midterm feedback
   1. Section 1 -- WINNING
      1. Average = 84.9%
      2. Median = 89%
   2. Section 2
      1. Average = 83.9%
      2. Median = 83.5%
   3. Section 3
      1. Average = 81.4%
      2. Median = 83.5%

Agenda 3/20

Sampling

1. What is the purpose of sampling?
2. How can the population we specify affect our results?
3. What are the different ways that cases can be sampled?

Agenda 3/22

1. Finish Sampling & Survey Design
   1. What’s the difference between sampling and measurement error?
   2. How can we avoid bias in sampling and measurement?
   3. Were the polls wrong in 2016?!

Sample Concepts & Measurements Paper