State-based metacognition: How time of day affects the accuracy of metamemory

Although there is an abundance of research on how stimulus characteristics and encoding conditions affect metamemory, and how those effects either do or do not mirror effects on memory, there is little research on whether and how characteristics of participants' states-like mood, fatigue, or hunger-affect metamemory. The present study examined whether metamemory ability fluctuates with time of day. Specifically, we evaluated whether learners can...