The list-strength effect for recognition means that when the strength of an item is
increased, there is no effect on the recognition of the other items. In other words, increasing
the strength of a particular item in a list (usually, by repeating it) will have no effect on
recognition performance of the other items. However, many current memory models predict
the opposite — namely, that when certain items are strengthened, recognition performance
on the other (unstrengthened) items will decrease (Murnane & Shiffrin, 1991)