Persuasion (or manipulation), at its core, is nothing more than the act of measuring a communication to the communicator's perceptions of their audience. Without isolating yourself from other humans, you can barely help developing the skill set, and people who fail entirely in correctly developing these skills are often seen as socially awkward. Rather than being something you are entirely or not at all susceptible to, or ditto for individual manipulation strategies, I believe everyone falls somewhere in a range, with people who on either extreme suffering some form of pathology.
As far as finding actual correlations go, take this example: a mathematically gifted person might be less susceptible to number manipulation because he is more competent with numbers. However, I think we could easily conceive of a mathematically gifted person that might be quite susceptible to number manipulation - if he has no way or inclination to verify them, he could be your standard issue mad scientist. He might find no error with the factual correctness or relationships of the numbers he has found (or been provided with!), but may lack other, seemingly unrelated numbers to gain the full or correct perspective. It's impossible for us to determine the potential relationships with the incomplete data and concepts we have to work with.
The taboo on declarative understanding of manipulation is harmful to the public at best and very suspicious at worst, because it allows for neither defenses or self-monitoring. It's somewhat comparable to the possibilities for abuse if Microsoft had programmed an unsealable backdoor for hackers to use into every Windows copy ever sold, except for that in real life, you can't change OS or stop using your 'computer'. The real tragedy, though, is that people gain a procedural understanding of manipulation despite the taboo, and thus become not only able but likely to use manipulation without even knowing they are doing it, because they aren't allowed to investigate what to look for - and when people get manipulated they, having learned it's an effective strategy, manipulate in turn. Somewhat comparable to giving everyone a gun at birth and banning all gun education and control.
The problem is that you can't easily operationalize "Measuring a communication to the communicator's perceptions of their audience" without closely operationalizing perception or finding a clever workaround. I feel like defining perception might be a bit high an aim for this thread, but I wouldn't rule out the possibility of a clever workaround. Stranger things have happened, after all.