As an interviewer, I believe take home tasks are unfair and also poor return on investment. Take home tasks incentivise candidates to burn as much time as possible on the task. Consequently, they are a test of who is willing to put a week of work even when the instructions say it should not take more than 3 hours to complete. I prefer pair programming with the candidate on the premise that if I ask you to spend 2 hou…
If a candidate chooses to burn a whole week working on it that can be safely left up to them I think. But a take home test is not unfair because they decided to burn that much time on it. It is an attempt to let them give the clearest most accurate signal of their skill level and approach to problems. I would argue that not even pair programming accomplishes that as well as a take home assignment.