An experimental study of the efficiency of human information processing is based on the Bayesian model for simple hypothesis testing with fixed binomial sampling. Each of 60 subjects is analyzed with separate ANOVAs focusing on two efficiency variables. Sample size and critical value are also analyzed. Subjects show very different utilization of…

The relationship between the depth to which a word is initially processed and its eventual probability of being recognized was investigated with amnesiac (alcoholic Korsakoff) patients. (Editor)

The authors hypothesize that a means-end strategy places a load on cognitive processing capacity which retards knowledge acquisition. Three experiments using trigonometry problems with high school students were conducted in which the problem goal was modified to disrupt strategy used by novices. Results supported the authors' hypothesis.…

Nine experiments were conducted to test the hypothesis that short-term memory and information processing share a common pool of scarce resources. (LMO)

Three experiments examined strategies for solving suppositional deductions to compare control structures proposed by rule theory and model theory. Puzzles were based on assertors who may be truth-tellers and their assertions about their truth-telling status. Reasoners made backward and forward inferences, found generating suppositions difficult,…

Hypothesized that, unlike second graders, most fourth graders are aware of the usefulness of category organization as a retrieval strategy and begin to deliberately activate category knowledge as a memory strategy during retrieval. Results of three experiments supported this theoretical view. Strategic competence is not mature among fourth…

This paper presents a generally applicable method for characterizing subjects' hypothesis-testing behaviour based on a synthesis that extends on previous work. Beginning with a transcript of subjects' speech and videotape of their actions, a Reasoning Map is created that depicts the flow of their hypotheses, tests, predictions, results, and…

To investigate whether concurrent nonverbal sound sequences would affect visual-hemifield lexical processing, lexical-decision performance of 24 strongly right-handed students (12 men, 12 women) was measured in three conditions: baseline, concurrent neutral sound sequence, and concurrent emotional sound sequence. With the neutral sequence,…

Eighteen healthy young adults underwent event-related (ER) functional magnetic resonance imaging (fMRI) of the brain while performing a visual category learning task. The specific category learning task required subjects to extract the rules that guide classification of quasi-random patterns of dots into categories. Following each classification…

Lately, many studies have suggested that communication impairments in brain-damaged individuals might be explained--at least in part--in terms of cognitive resource allocation. Reproducing a clinical pattern in normal subjects by using a dual-task treatment might be a way of evaluating the role of cognitive resources in the right hemisphere's…