I doubt there are controlled studies, but you can probably make a reasonable hypothesis based on viewing habits at different ages. Old people in 1993 watched Bonanza reruns; in 2023 they’re hooked to the constant crisis of cable news.

Anecdotally, I’ve definitely seen a shift in corporate comms as people gravitate to IM and text as opposed to email, driven both by habit and by avoiding accountability as email audit has become common.