Answer:
The correct answer in order to fill in the blank in this question, would be: evaluate. Thus, the full answer would be: To judge, place a value on, or rank a passage or source is to evaluate it.
Explanation:
The reason for this being the answer is that both in public speaking and also in writing, evaluation means to take an oral presentation, or a written text and reviewing, measuring and balancing each of the parts of it. A such, an evaluator will take the piece and review all of it, and its individual parts, and judge them, value them and give a concept that can further help the writer, or speaker to improve in a future text, on the same text, on the use of a source, or in writing passages, or speeches.