Inference for Two Proportions

Now that we're knee-deep in inference, check out our lessons on inference for two proportions:

Inference for Two Props

Lesson 7.7 & Lesson 7.8

Researchers sent identical CVs to employers, changing only one thing: the name. Employers randomly received CVs from commonly-White names or commonly-Black names. Did it make a difference?

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Often, studies of discrimination have messy designs and rarely allow for causal inference. This experiment presents an alternative way to study inequality. Yet, the results do raise some questions:

• The difference in callback rates was statistically significant, but was it also practically important?

• Is this study, which sent CVs to job postings from newspapers in 2003, generalizable to our current hiring market and other stages of the hiring process?

The discussion questions in the lessons tackle these topics head-on, helping students develop skills in critical thinking, study interpretation, and (of course) college-level statistics.

Let's skew it!