Certainly some jargon is typical in spoken environments but rarely necessary in written contexts, just as vice versa. Not that I have any specific proofs on the specific words in the survey, but given at least one example of curious slang ("fleek"), I wouldn't put it past Randall to attempt to find some.
Also, the fun thing about pronounceable neologisms is even if Randall made them up, there's a curious tendency in English at least to actually start using some of them.
I checked them after I'd submitted the survey. The only real words that I hadn't ticked were "regolith" (I was almost sure it was a real word, but I didn't know the meaning of it), "phoropter" (I believed it could be a piece of engineering terminology, but again didn't know the meaning) and "peristeronic" and "apricity" (I would have given better than evens that these were made up).
Tribution and Revergent are likely plays on con- prefix removal and substitution (contribution, convergent). If they are not part of some jargon, they will be. Similarly, the morphological construction for Unitory (-tory is the latin agency prefix) I can certainly believe it to have jargon usage.
Trephony could be a form of this noun for different grammatical situations: http://www.merriam-webster.com/dictionary/trephone That would suggest to me that it may be a biosciences jargon term already.
I would argue as a descriptivist that revergent is a legit English word - something that was previously divergent that is now tending towards convergence.
I'm not sure if it has been removed from most dictionaries, but
apricity is commonly accepted as "The warmth felt from sunlight". Wiktionary lists it as obsolete though.