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551.
In three experiments we tested the effects of spatial visualization ability on performance of a motion-verification task, in which subjects were shown a diagram of a mechanical system and were asked to verify a sentence stating the motion of one of the system components. We propose that this task involves component processes of (1) sentence comprehension, (2) diagram comprehension, (3) text-diagram integration, and (4) mental animation. Subjects with law spatial ability made more errors than did subjects with high spatial ability on this task, and they made more errors on items in which more system components had to be animated to solve the problem. In contrast, the high-spatial subjects were relatively accurate on all trials. These results indicate that spatial visualization is correlated with accuracy on the motion-verification task and suggest that this correlation is primarily due to the mental animation component of the task. Reaction time and eye-fixation data revealed no differences in how the high- and low-spatial subjects decomposed the task. The data of the two groups of subjects were equally consistent with a piecemeal model of mental animation, in which components are animated one by one in order of the causal chain of events in the system. 相似文献
552.
Valerie Gray Hardcastle 《Synthese》1995,105(3):303-317
What counts as a computation and how it relates to cognitive function are important questions for scientists interested in understanding how the mind thinks. This paper argues that pragmatic aspects of explanation ultimately determine how we answer those questions by examining what is needed to make rigorous the notion of computation used in the (cognitive) sciences. It (1) outlines the connection between the Church-Turing Thesis and computational theories of physical systems, (2) differentiates merely satisfying a computational function from true computation, and finally (3) relates how we determine a true computation to the functional methodology in cognitive science. All of the discussion will be directed toward showing that the only way to connect formal notions of computation to empirical theory will be in virtue of the pragmatic aspects of explanation. 相似文献
553.
Valerie P. Hans 《Current psychology (New Brunswick, N.J.)》1992,2(3):283-299
A comparative survey of jury selection practices in Britain and the United States indicates that the two countries differ
along a number of dimensions, including the emphasis on the jury selection process in the trial, the amount and type of information
available about prospective jurors, and the frequency with which trial lawyers alter the composition of the jury. The probable
impact of these differences is analysed by considering the importance of jury composition in determining a jury’s verdict,
the effectiveness of lawyers in exercising their challenges, and broader effects of jury selection procedures in the two countries. 相似文献
554.
555.
A single-subject ABA reversal design was applied to evaluate the effectiveness of a limited 8-s safety belt reminder system and two modified reminder systems (a delayed and second reminder) to increase the safety belt use of 13 drivers. The research was conducted with a specially equipped research vehicle that permitted the manipulation of different safety belt reminder stimuli and the unobtrusive recording of a driver's belt use. For 2 subjects, the limited 8-s reminder increased safety belt use. For another 2 subjects, the second reminder markedly increased belt use. Some subjects were uninfluenced by the reminder systems presented; others always buckled up during both baseline and intervention conditions. The approach and results are discussed with regard to the application of behavior analysis methodologies (e.g., cumulative records) and principles (e.g., schedules of reinforcement) to advance the utility and investigation of safety belt reminder systems. 相似文献
556.
The buckle-up promise card: A versatile intervention for large-scale behavior change 总被引:1,自引:0,他引:1
Geller ES 《Journal of applied behavior analysis》1991,24(1):91-94
557.
E. Scott Geller Steven W. Clarke Michael J. Kalsher 《Journal of applied behavior analysis》1991,24(1):65-72
The use of writing samples as indices of alcohol impairment was explored. Students at a campus fraternity party wrote a sentence and their signatures before and after consuming alcohol (in beer and mixed drinks). Later, undergraduate and graduate students attempted to discriminate between pre- and postparty handwriting samples. The average percentage of correct discriminations of entrance and exit writing samples was 83.7% for sentences and 67.5% for signatures, and the percentage of correct discriminations increased directly with the blood alcohol concentration of the partier who gave the writing sample. When a partier's blood alcohol concentration reached 0.15, all of the judges accurately discriminated 90% or more of the sentences, and 25 of the 28 judges correctly discriminated at least 80% of the signatures. All of the judges correctly discriminated at least 90% of the 18 sentences written by partiers with a blood alcohol concentration of 0.12 or more. Implications of these findings for reducing the risk of driving while intoxicated are discussed, as well as directions for follow-up research. 相似文献
558.
In the first section of this paper, we analyze classic framing effects according to principles of fuzzy-trace theory. The key principle of the theory is that reasoning prefers to operate on simple gist, as opposed to exact details. Then, we introduce new data in three experiments designed to test this fuzzy-processing assumption. In the first experiment, framing effects were conserved when numerical information was omitted from standard problems, arguing against a critical role for numerical processing. In the second experiment, evidence is presented that some subjects simplified framing problems by mentally truncating linguistically redundant complements in gambles. Experimentally deleting parts of gambles mimiced such effects, and choices varied depending on the information that remained explicit. In the third experiment, truncation effects were also demonstrated for mixed-frame problems, in which one option is positive and the other is negative. The data disconfirmed a ‘halo’ hypothesis that subjects merely selected the positive option over the negative one. Instead, choices were accounted for by conversion, that is, transforming problems into uniformly positive representations to avoid the complexity of negation. In all three experiments, choices could be explained as a consequence of radically simplifying decision information. 相似文献
559.
560.
Remarriage of parents may bring new grandparents and stepgrandparents into the lives of children, creating new family structures and needs for adjustment. The extended-blended family may benefit from specific counseling interventions. 相似文献