At long last, here is a new-(ish, from last summer) study about the psychological effects of job insecurity on non-tenured academic staff. Unfortunately, it is only about psychology academics. The fact that it is published in the journal called Frontiers in Psychology is crazy…As the authors themselves stress, “[t]he study of psychological well-being among contingent faculty is uncharted territory.” More research needed!
You can read the full text here (updated link, free access): http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4085875/