These are the sort of "inter-individual variation in hedonic spoiler effects" I had in mind earlier.
Huh. For some reason I had read that as "intra-individual". Whatever happened to the "assume people are saying something reasonable" module in my brain?
I guess you were actually ballparking the population standard deviation of spoiler effect from the sample size and the standard errors of the means.
Yep.
Another monthly installment of the rationality quotes thread. The usual rules apply: