This article has three goals: to set forth some general claims about the course of skill acquisition; to discuss a series of counter intuitive predictions derived from the ACT theory; and to review the state of empirical evidence relevant to these predictions. (LMO)

Article describes two processes in free recall: a retrieval process and a recognition process. Experiments confirmed the predicted dissociation of recognition and retrieval. (Author/ML)

Adaptive control of thought-rational (ACT-R; J. R. Anderson & C. Lebiere, 1998) has evolved into a theory that consists of multiple modules but also explains how these modules are integrated to produce coherent cognition. The perceptual-motor modules, the goal module, and the declarative memory module are presented as examples of specialized…

To determine whether different long-term memory representations are necessary for verbal and visual material, subjects studied faces composed of visual features or verbal facts composed of concepts. Findings showed interference between verbal and pictorial information, and supported the ACT theory that pictorial and verbal materials are stored…

The author analyzes some recent developments in the debate over the status of mental imagery. He attempts to specify what a propositional theory is, and considers arguments for and against the imagery position, i.e., whether visual imagery is encoded in terms of properties that are quite spatial and modality specific. (Author/RK)

Argues that the cognitive methodology has delivered real educational applications in a way that the situative methodology has not, and fundamentally can not, and suggests these two approaches should be judged by their abilities to improve education. It addresses each of J. G. Greeno's (1997) criticisms of the situative perspective and argues…

Related to the earlier ACT production system theory, this book's basic goal is to present evidence for the psychological reality of a production system model of mind. Distinguished from the original theory in three ways, this volume uses previous rational analyses to improve upon that theory and extend its scope. It also relates the theory to new…