That would be a dramatic monologue. :)
Hope I helped!
Significant. Fractional sounds like "fraction," which is typically meaning a value less than one, but not quite zero. AKA, very small.
The opposite of a very small change would be a very big change. Which is what a significant change is.
I believe the answer is the third option "Because outside research adds scholarship to my own opinion." Hope this helps. (ノ◕ヮ◕)ノ*:・゚✧