I thought "effect" was a noun and "affect" a verb, but I read "effected a change in a policy." Is that correct English?

What is the difference between "increase in" and "increase of"?

I can't finish my revised paper by the journal's deadline. What should I do?

The journal guidelines say I should use "title case" for my table captions. What does that mean?

Why was there no "the" before "height" and "weight" in this sentence: "Height and weight were measured at baseline"?

What's the difference between Oxford and Cambridge spelling in British English?

The journal says to use a serial comma. What is that?