Psychology Commons^™

Multiple Species Of Distinctiveness In Memory: Separating Task Distinctiveness From Statistical Distinctiveness, Matthew Robert Gretz

Master's Theses

Distinctiveness refers to the memorial benefit of processing unique or item-specific features of a memory set relative to a non-distinctive control. Traditional distinctiveness effects are accounted for based on qualitative differences in how distinctive items are encoded at the time of study. This thesis project aims to evaluate whether a different species of distinctiveness—statistical distinctiveness—may provide a separate contribution to memory beyond traditional encoding-based processes. Statistical distinctiveness refers to the relative frequency with which a specific memory item or set is processed. The current study evaluated statistical distinctiveness through a series of mixed groups in which DRM lists were studied …