CHUNKING Separating long strings of information into smaller “chunks” allows for better memory retention. GEORGE A. MILLER (1920–2012) Cognitive Psychologist 1956 Miller’s Law: The average person can hold seven chunks (largest meaningful unit of information) +/- two in their working memory. 2001 (Cowan & Nelson): A review of capacity limits revealed four chunks to be the mental storage capacity for short-term memory. Ogilvy Change: Medical Adherence Separating a 21-day course of medication into three manageable chunks increased compliance by 21%.