Significant Voter Turnout Changes in ATLs

What I'm wondering is has anyone ever thought of how different TLs may see significantly different voter turnouts for different elections? I'm talking general turnout rather than how it affects one candidate or the other, especially regarding US elections.

Here's an example -- it's been discussed here before how minor changes in 1976 could lead to a Ford victory; I'd say in TTL's 1980 election (and likely 1984 as well) would not only be highly likely to see a Democratic victory, but much higher turnout overall, especially if Republicans still nominate Reagan; so instead of seeing participation levels fall nearly a percent (to 52.6%, lowest at the time since the 1920's), they could see it jump 2-5%, with turnout higher than both 1972 and 76.

If turnout is higher in the 1980's, there could be butterflies in how voter enthusiasm is understood in America, with any potential fall below 1948 levels coming as or after the Cold War ends. Leading no small number of sociologists to conclude, in a post hoc ergo propter hoc fashion, that Americans need a sense of a larger struggle to give a damn about their government.

Anyway, that's a perhaps long-ish example -- anyone else give thought to voter turnout in ATLs?
 
Most certainly. 1948 was won because Truman convinced the masses in the West to turn out in the hopes that they could try to save Truman (in the East, the affect was opposite; Democrats didn't vote because they thought Truman would lose. Interesting regional psychology at play.).
Back in the Kitchen has a greatly increased turnout in the special election of 1974, which is obvious since midterms have less participation than presidential elections.
Fear, Loathing and Gumbo has a higher voter turnout in 1972 since the election is going to be close, but a lower one in 1976. Like IOTL 1980, in 1976 people just don't want to choose between Reagan and Carter/Wallace. Economic conditions affect voter registration as well.
 
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