Only one try for this question; so, please carefully consider the situation.
A researcher wants to test the hypothesis that childhood exposure to advertising exceeds 20 ads per day. Originally they intended to use a 0.13 significance level, but then changed it to 0.11. As a result...
the rejection region becomes both larger and smaller
the rejection region will become larger
the rejection region will not change
there is no relation between the size of the rejection region and the significance level
the rejection region will become smaller