gavreid
Pretty Words...
I wish I’d kept a note of the two other times I’ve posted this, but ‘expectation’ bias is a poorly chosen name given to a phenomenon that is not affected at all by your conscious expectation, whatever it may be, if your subconscious pre-conditioning has tweaked your subconscious to think there may be a difference.
I’m keeping out of cable discussions, but this is a common technical error that I (and a bunch of statisticians) spent a good portion of my working life trying to prevent ruining my expensive experiments.
I remember Rick Stein trying to choose between Organic and plain vanilla chicken and getting it wrong in a blind test. He just thought he knew better and made a fool of himself...