Within the Craik and Lockhart (1972) processing model, information can be processed in increasing degrees of depth and these three levels of processing are shallow, intermediate or deep.
Craik and Lockhart (1972) propose that memory depends on the depth level at which information is processed during encoding, depending on whether we only perceive it or also pay attention to it, categorize it and / or give it meaning.
Therefore, we can conclude that Craik and Lockhart specifically focused on the study of memory processes and that they highlighted the importance of encoding processes in human memory.
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