Hey! Author here. Yes, we did not know that the screening steps were meaningful, so for the first 300 applicants, we interviewed everyone, even people who performed badly. We then looked for correlation between screening step scores, and programming interview results. Doing well on the fizzbuzz problems was not very correlated.
By dropoff I mean people who left during a step, and never logged back into our site.
By dropoff I mean people who left during a step, and never logged back into our site.