PSY 265 Lecture Notes - Lecture 14: Brute-Force Search, Information Retrieval, Interference Theory
Document Summary
Miller 1956 and the integer: my problem is that i have been persecuted by an integer, the integer 7, plus or minus 2. Miller determined working memory capacity was approximately seven digits, letters, or items plus or minus two. Capacity can be increased if items can be grouped together: area codes, such as 505, go together as a unit, acronyms, like unm, also are thought of as a unit. Both groups contained the same letters: sbvinlfbcfsuamt, fbi nfl mtv cbs usa. The second group can be remembered more easily as five units of three letters each. Sensory memory for visual information only lasts a fraction of a second. Sensory memory for auditory information lasts less than a minute. For hearing adults and children, the dominant method of coding is by forming acoustic representations. The information to be coded is translated into language. Participants are visually shown a series of letters: b f h g c p r e.
