Craik and Lockhart (1972) argued that the concept of rehearsal alone is not sufficient to account for long-term memory. Rehearsal is a kind of processing but it is not very deep. Craik and lockhart believed that it is the"depth"of processing which determines whether information is stored over a long rather than a short period. Craik and lockhart defined "depth" in terms of a continuum: an example of shallow processing would be to say whether a word was written in capital letters, whereas an example of deep processing would be to say if the word would fit in a given sentence (this involves semantic processing or a consideration of meaning).…
