The Generalized Signal Detection Theory
Signal detection theory (SDT) and the Dual Process SDT (Yonelinas, 1994) are currently the most influential accounts of item variability in recognition memory. However, neither provides a sufficient account of differences in the familiarity distributions. Instead, this phenomenon is accounted for by the idea of encoding variability (Wixted, 2007) or an additional retrieval process (Yonelinas, 2001