...
- The task is not too hard.
We don't want participants to be intimidated or dismayed at how hard our warm-up task is. - The most likely paths go at least 2 clicks down the tree.
We want participants to see that the tree is multi-leveled, and is only shown one branch at a time. - The results for this task are not important to our study.
Because this is a "throw-away" task, we want to pick something that we don't really care about (because we'll be ignoring this task's results later).
...
Next: Letting participants skip tasks