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Source strengthening in recognition memory

Aytaç, Sinem
This thesis aimed to explore the list-strength paradigm in source recognition memory. Items can be strengthened through repetition, slower representation or deeper encoding either in different lists (pure-list) or within the same list (mixedlist). The strength-based mirror effect is the finding that when items are strengthened in a pure list, hit rates increase and false alarm rates decrease compared to the weakly encoded items. When a mixed-strength list is implemented, weak items’ recognition memory performance is not harmed by the presence of strong list items and strong items do not benefit from the accompaniment of weak items. This finding is defined as the null list-strength effect. The current thesis extended the strength-based mirror effect and the null liststrength effect to source recognition memory.