Discrimination

Question 1

What is the prosecutors fallacy?

Answer 1

To think that p(a|b) = p(b|a)
ex: prob that man is taller then 1.90, given that he is a profesional basketball player vs other way around

Question 2

What does dredging mean?

Answer 2

Performing many statistical tests and only reporting those with significant results (torturing the data)

Question 3

What is the redlining effect?

Answer 3

Removing the sensitive information does not help with the bias, since there are attributes that are highly correlated

Question 4

What does preferential sampling refer to?

Answer 4

Fron a discriminated group, draw more examples with positive labels, less with negative labels to keep discrimination at 0

Question 5

What is Simpsons paradox?

Answer 5

Global trends can be reversed when data is split into groups