diff --git a/blog/posts/differential-privacy.md b/blog/posts/differential-privacy.md index ca945808e..c9fddeb85 100644 --- a/blog/posts/differential-privacy.md +++ b/blog/posts/differential-privacy.md @@ -73,9 +73,13 @@ Randomized Response would lay the groundwork for differential privacy, but it wo A variation used later in a [paper](https://www.jstor.org/stable/2283636) by Greenberg et al. called **unrelated question randomized response** would present each respondent with either a sensitive question or a banal question like "is your birthday in January?" to increase the likelihood of people answering honestly, since the researcher doesn't know which question was asked. - - - +| Respondent | Question (not visible to researcher) | Answer | +| --- | --- | --- | +| 1 | Have you ever committed tax evasion? | No | +| 2 | Is your birthday in January? | Yes | +| 3 | Is your birthday in January? | No | +| 4 | Have you ever committed tax evasion? | Yes | +| 5 | Have you ever committed tax evasion? | No | #### Problems with k-anonymity