Using the blocked-translation paradigm with healthy participants, we examined Crutch and Warrington's hypothesis that concrete and abstract concepts are organized by distinct principles: concrete concepts by semantic similarities and abstract ones by associations. In three experiments we constructed two types of experimental blocking (similar…

These experiments focus upon two assumptions of the levels of processing formulation: that context provides exclusive control over the qualitative nature of encoding, and that amount recalled is determined both by cue-trace compatibility and by depth. The results cast doubt upon the validity of each assumption. (Author/MH)