Atkinson refers to Richard C. Atkinson, who along with Richard M. Shiffrin, proposed the multi-store model of memory in 1968.
Richard M. Shiffrin is a cognitive psychologist who co-developed the multi-store model of memory with Atkinson.
It is a framework that describes how information flows through three separate stages of memory (sensory, short-term, and long-term).
A major critique or negative evaluation regarding a particular theory or concept.