It's called pseudo because the # of items in the set or the grouping of the set is arbitrary. (Not that I necessarily agree, but that's why.) Whereas in a weig

It's called pseudo because the # of items in the set or the grouping of the set is arbitrary. (Not that I necessarily agree, but that's why.) Whereas in a weightlifting set, the # of lifts in a set are intentional (low-rep vs high-rep debate). But here, the # within a set is just a number so there's some number. Like the # of yaks to shave to get an in-game achievement. """ Pseudo-set framing—arbitrarily grouping items or tasks together as part of an apparent “set”—motivates people to reach perceived completion points. """