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151.
Manuel Leon 《Journal of experimental child psychology》1982,33(1):124-141
The study examined children's use of multiplying and proportionality rules in judgments of area. In two experiments children judged the area of rectangles. Seven-year-olds used linear extent as an index of area. Eight- and nine-year-olds replaced the extent rule with the height × width rule. In a third experiment 8-through 11-year-olds were presented with a rectangle and a horizontal line representing the width of a second rectangle. Children were asked to indicate the height that would make the second rectangle equal in area to the first. The correct response was proportional to the product of the ratio of the widths of the two rectangles and the height of the first rectangle. Graphical and statistical analyses indicated that children applied the ratio rule to these judgments. The implications for Piaget's theory of cognitive development were discussed. 相似文献
152.
Leon Kuczynski 《Journal of experimental child psychology》1982,34(3):357-370
The effects of varying the motivational content of verbal rationales on children's compliance to a prohibition were investigated. Sixty-four 7- to 10-year-old children received an explanation that focused either on the consequences of their behavior for themselves or on the consequences of their behavior for the experimenter. The intensity of these explanations was manipulated verbally by varying the severity of the self- or other-oriented consequences. Preratings of the rationales by an independent sample of 42 children indicated that children's perceptions of the aversiveness of the rationales increased as a function of intensity. Intensity was a determinant of children's compliance but females were more likely to increase in resistance to deviation as a function of intensity than males. Children who received other-oriented rationales performed a greater amount of work and were less likely to show decrements in working over time than subjects who received self-oriented rationales. The results were explained in terms of a model of reasoning effects in which the kind and amount of motivation aroused are two separable determinants of children's compliance. 相似文献
153.
154.
This article defines the nature of paternalistic interventions in psychotherapy and discusses reasons why the client's right to consent to treatment is important. We describe a reasoning process developed by Culver and Gert (1982) that can be used to determine when paternalistic actions are and are not ethically justifiable in mental health practice. We demonstrate how this procedure may be applied to psychotherapy by using a number of case illustrations. 相似文献
155.
156.
Howard R. Moskowitz Andrew Dravnieks Leon A. Klarman 《Attention, perception & psychophysics》1976,19(2):122-128
Data Analysis Office, U.S. Army Natick Laboratories, Natick, Massachusetts 01760 Observers compared the odor of butanol to the odors of various concentrations of 32 chemicals, and also rated the odor pleasantness and unpleasantness of these 32 odorants by a line matching procedure. All stimuli were presented to the observers by air dilution olfactometers. Odor intensity matches between each odorant and butanol were often describable by power functions. A derived magnitude estimate of odor intensity was obtained through a calibration of the butanol concentration scale. Most odorants grew less rapidly in intensity than butanol, and all odorants grew in intensity as decelerating functions of concentration. A more general function of the form P =: k1 + k2Ck3 was needed to account for the pleasantness-unpleasantness judgments. In this study, most odorants were rated either neutral or unpleasant. Observers showed far more variability in hedonic judgments than in intensity judgments. 相似文献
157.
Two experiments are reported which suggest that affixed words are not morphologically decomposed but are processed as single units. Experiment 1 involved a lexical decision task, and it suggested that lexical access does not require decomposition. Experiment 2 involved a task designed to maximize the opportunity for decomposition, but it showed that subjects processed the test items as single units. These results are discussed in relation to o;her evidence that has been offered to support the occurrence of morphological decomposition. 相似文献
158.
High school students participated in a field experiment that tested the effects of exposure to early election returns in a nonpartisan referendum. On a pretest of attitudes, students stated their preferences on the issue of the school's grading policy. One week later, just before voting, subjects in the experimental condition received information announcing the probable outcome of the election. There was a significant relationship between class achievement level and (a) likelihood of changing vote, and (b) the direction of change. Students in the brighter classes changed their votes less frequently, but when they changed their preferences they showed a greater bandwagon effect. Students in the classes of lower academic achievement changed their votes more frequently, but when they changed their preferences they showed a greater underdog effect. Differences between the more typical political election in which bandwagon and underdog effects are seldom reported and the experimental election were discussed. 相似文献
159.
Leon C. Lack 《Attention, perception & psychophysics》1971,10(1):38-42
The role of accommodation in the control of binocular rivalry (BR) has been granted various degrees of importance by Es in the past. The most recent investigation by Fry (1936) concluded that accommodation provides the basis of BR control through the blurring of retinal images. However, the present study found that the introduction of very small artificial pupils (0.5 mm) did not reduce BR control. It was concluded that if accommodation changes are occurring with large pupils, the resulting image blurring plays no part in control of rivalry. Experiment 2 tested the effect of paralyzed intrinsic eye muscles and found almost the same degree of control as in the normal state. The slight decrease of control that was present was attributed to a general performance decrement, since slight performance decrements with eye paralysis were also found in a visual reaction-time task and hand dynamometer test. In Experiment 3, it was found that the increased control that was obtained over several practice sessions was mostly retained during subsequent eye paralysis. These findings and, in addition, a very significant control of rivaling afterimage stimuli under eye paralysis strongly suggest a central component of BR control rather than one based on accommodation. 相似文献
160.
Twenty-two disturbed enuretic children were treated for their bedwetting with training procedures. Eighteen of 22 (81.8%) reached the initial success criterion in an average of 57.5 days. Ten of the 18 (55.6%) met the retraining criteria of relapse, and 9 of the relapses were successfully retrained, while I stopped wetting spontaneously. As compared to non-relapsed children, relapsed children had a significantly higher number of initial symptoms checked. The results indicate that a training approach is effective for the treatment of enuresis in disturbed children, but the more disturbed have a greater likelihood of relapse. 相似文献