I can guarantee you’ll do this at some point in your thesis. You’ll probably do it several times.
When trying to link paragraphs together, you’ll do something like this:
Furthermore, in addition to the aforementioned, it has additionally also be seen that howler monkeys display a statistically significant preference for yellow M&Ms over red.
Half the words in the sentence mean the same thing. Is it really so important to announce with such fanfare that you have more to say?
But it’s OK. It happens. You just need to edit as you go to cut out the redundant:
Howler monkeys have been seen to display a statistically significant preference for yellow M&Ms over red.
Much clearer, no?

Also, I find such practice as in the above inpolite towards the reader’s cognitive capacities because, as has probably been stated by the author in another blogpost, internal referencing, that is, referring back to internal arguments, or referring to something that obviously is known to the reader, as I just did in both the previous partial sentence and the one preceeding it, and elaborate repetitions of the practice mentioned here and above, is, as I stated just a few syllables ago, also incredibly insulting to the intellect of the reader.
Furthermore, in addition to the aforementioned nugget of wisdom, I feel that it is important to add that I am overcome with an overwhelming sense of agreement.