Primary criticism refers to the main objection or negative evaluation raised against a theory or concept, identifying its major flaws or limitations.
Richard C. Atkinson is one of the psychologists associated with developing the multi-store model of memory which might have faced primary criticisms.
Richard M. Shiffrin is another psychologist involved in proposing the multi-store model of memory that may have encountered primary criticisms.
It is a theoretical framework proposed by Atkinson and Shiffrin that could have faced primary criticisms due to its limitations.