Levels of processing
What a learner does with information helps determine later remembering.
Framework The classification describes how this account is used here; it is not an evidence rating.
Central claim
Memory durability is a byproduct of perceptual and conceptual analysis performed during encoding, with deeper semantic elaboration typically supporting stronger retention than shallow structural or phonemic analysis.
Proposed mechanism
Processing meaning often creates more useful retrieval connections than inspecting visual form. Depth describes the kind of analysis, not simply study time or the learner's feeling that an activity was difficult.
Evidence: (Spielman et al., 2020); (Craik & Lockhart, 1972)
What would it predict?
Under a later meaning-based test, semantic judgments should often yield better recall than surface judgments when exposure is controlled. Changing the test can change the advantage.
An original test formulation derived from the account, not a claim that this exact study was performed.
Evidence and status
Craik and Lockhart (1972) proposed the levels-of-processing framework, and OpenStax describes Craik and Tulving's (1975) experiments comparing visual, acoustic, and semantic judgments about words. Their results support a role for encoding operations beyond simple repetition, qualified by Morris, Bransford, and Franks (1977) on transfer-appropriate processing.
Evidence: (Spielman et al., 2020); (Craik & Lockhart, 1972)
Major contributors
Fergus Craik; Robert Lockhart; Endel Tulving
A selective attribution, not a complete intellectual genealogy or a sole-founder claim.
Apply the explanation
Original teaching scenario
One group judges whether a word describes something living; another checks its lettering. A later recall test can compare the effects of those operations.
Constructed for learning. This scenario does not report an empirical result.
Common confusion: Intention to learn or sheer study duration
Levels of processing concerns the qualitative type of cognitive operation performed on material, not how long a learner stares at items or how strongly they wish to remember them.
Evidence: (Spielman et al., 2020); (Craik & Lockhart, 1972)
Limits and alternatives
- Calling a successful operation deep after observing better memory risks circularity. As Morris, Bransford, and Franks (1977) showed with transfer-appropriate processing, compatibility between the study activity and the retrieval test also matters; semantic processing does not win every possible test.
Evidence: (Spielman et al., 2020); (Craik & Lockhart, 1972)
Textbook connection
Direct coveragePsychology 2e: 8.1 How Memory Functions
This section directly discusses the account presented here. The profile is an original synthesis, not a reproduction of the textbook.
Related explanations
Sources and inspection notes
Checked October 21, 2026. An inspection date is not a publication date. Original experiments described by a textbook are not individually re-audited unless a separate primary source is listed.
- Craik, F. I. M., & Lockhart, R. S. (1972). Levels of processing: A framework for memory research. Journal of Verbal Learning and Verbal Behavior, 11(6), 671–684. https://doi.org/10.1016/s0022-5371(72)80001-xConsulted sourcePrimary theoretical article record and abstract inspected, October 21, 2026
Proposes the original levels-of-processing framework contrasting shallow perceptual analysis with deeper semantic processing and distinguishing maintenance from elaborative rehearsal.
- Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020). Psychology 2e. OpenStax. https://openstax.org/books/psychology-2e/pages/8-1-how-memory-functionsTextbook section inspected, October 21, 2026
Supports the introductory account and historical framing, including visual, acoustic, and semantic encoding and Craik and Tulving (1975). Does not independently verify every original experiment cited by the textbook.