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Studied the effects of concreteness and relatedness of adjective–noun pairs on free recall, cued recall, and memory integration. The authors report on 2 experiments in which Ss read phrases or sentences containing adjective–noun pairs that vary in rated concreteness and intrapair relatedness. In Exp 1 normative ratings on imagery and relatedness were provided by 23 graduate and 20 undergraduate students. 64 undergraduates participated in the memory experiment. Exp 2 extended Exp 1 by using complete sentences rather than adjective–noun word pairs. 72 undergraduates volunteered to participate in the memory experiment and a separate group of 14 volunteered to participate in a sentence rating task. Consistent with predictions from dual coding theory and prior results with noun–noun pairs, both experiments showed that the effects of concreteness were strong and independent of relatedness in free recall and cued recall. The 2 attributes also had independent (additive) effects on integrative memory as measured by conditionalized free recall of pairs. Integration as measured by the increment from free to cued recall occurred consistently only when pairs were high in both concreteness and relatedness. Relatedness, adjective imagery, and noun imagery ratings, along with word frequencies for adjectives and nouns, and sentences with relatedness ratings are appended. (PsycINFO Database Record (c) 2010 APA, all rights reserved)  相似文献   

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In order to save energy and protect environmentin automobile industry, one of the important methodsis to reduce the automotive weight[1 ~4]. Since the a-luminum alloys showsuch as high specific strength,good formability, good corrosion resistance, and re-cycling potential, they are said to be the ideal candi-date to replace heavier materials in the automotiveindustry[5 ~7].Recently, the heat -treatable 6000series aluminum alloys have been considered as theperfect light-weight material for au…  相似文献   

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《Acta Metallurgica》1988,36(11):2883-2904
Simulations of f.c.c. rolling textures based on homogeneous slip under conditions of full and relaxed constraints (Taylor-type theories) are presented. The characteristic peak and fibre components found in the resultant ODFs for the various relaxed shear possibilities are analysed in great detail and compared with the experimentally observed textures in Al and the CuZn alloys given in Part I. Special attention has been paid to the questions of stability and metastability of different orientations, the position of the fibres in orientation space, the influence of initial textures, the pathways that individual orientations take together with their rates of rotation along and their arrival rates at the fibres. Finally the topological distribution of grains in connection with the compatibility problem of the different stable orientations caused by relaxed shears is discussed.  相似文献   

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RareEarthElements (REEs)havebeenwidelyusedduetotheirspecialelectricstruc turesandvarietiesofbiologicalactivity .InChina ,REEsasfertilizeradditivesinagricul turehavebeenextensivelyused .NumerousfieldexperimentsandpotstudiessuggestthatREEfertilizerapplicati…  相似文献   

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Effect of ethanol on corrected intensity,i.e.the intensity corrected for the rate at which an analyte solutionenters ICP,of lines of 10 rare earth elements,Mg,Fe and Cd have been studied,Compared to the aqueous case,the introduction of an ethanol solution results in a decrease in corrected intensity.For all the ionic lines and theatomic lines of Cd,the corrected intensities decrease steadily with increasing ethanol concentration from 0 to95 vol%.while for the atomic lines of the other elements,the corrected intensities have minima at certainethanol concentration.For a given element,the higher the excitation energy of a line,the greater the decrease inthe corrected intensity with the introduction of ethanol,The depression of corrected intensity by ethanol islinearly related to excitation energy.The above results have been used for identifying the ionization states of 38lines of rare earth elements and estimating their excitation energies.  相似文献   

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The role of classroom discussions in comprehension and learning has been the focus of investigations since the early 1960s. Despite this long history, no syntheses have quantitatively reviewed the vast body of literature on classroom discussions for their effects on students’ comprehension and learning. This comprehensive meta-analysis of empirical studies was conducted to examine evidence of the effects of classroom discussion on measures of teacher and student talk and on individual student comprehension and critical-thinking and reasoning outcomes. Results revealed that several discussion approaches produced strong increases in the amount of student talk and concomitant reductions in teacher talk, as well as substantial improvements in text comprehension. Few approaches to discussion were effective at increasing students’ literal or inferential comprehension and critical thinking and reasoning. Effects were moderated by study design, the nature of the outcome measure, and student academic ability. While the range of ages of participants in the reviewed studies was large, a majority of studies were conducted with students in 4th through 6th grades. Implications for research and practice are discussed. (PsycINFO Database Record (c) 2010 APA, all rights reserved)  相似文献   

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The present experiments tested the effects of conventional (dorsal aspiration and electrolytic) and excitotoxic (N-methyl-{d}-aspartate [NMDA]) hippocampal lesions and fimbria-fornix (FF) transection on prepulse inhibition (PPI) of startle response and on open-field activity. Activity was increased by FF transection and by conventional but not excitotoxic hippocampal lesions; complete NMDA lesion increased amphetamine-induced activity. Whereas dorsal hippocampal aspiration lesion disrupted PPI, the phenomenon was not affected by dorsal hippocampal. electrolytic lesion, partial or complete excitotoxic (NMDA) hippocampal lesions, or complete FF transection, which interrupted the cholinergic input to the hippocampus as well as the hippocampal-subicular input to the nucleus accumbens. Systemic apomorphine disrupted PPI in both FF-transected rats and their controls. It is suggested that the hippocampus is essential for PPI disruption rather than for PPI expression. (PsycINFO Database Record (c) 2010 APA, all rights reserved)  相似文献   

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The kinetics of phase redistribution in the (Mo, W)Si2 Nb system at 1500-1800°C was investigated. The kinetic parameters for growth of the lower silicides (Mo, W, Nb) 5Si3 + Nb5Si3 and decrease in the layer thickness of the higher silicide (Mo, W)Si2 as function of the oxidation temperature were determined. It was established that the stability of the multiphase and multicomponent system was more than twice that of the system MoSi2 Nb, and 15-18 times that of MoSi2 Mo.  相似文献   

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In a sample of 153 children from preschool through second grade, relations between the use of emotion regulation strategy and children's expression of anger and sadness were coded during an observational task in which children were intentionally disappointed in the presence of the mother. Multilevel modeling was used to examine strategy use and current and subsequent expressions of anger and sadness. Results indicate that mothers' use of attention refocusing and joint mother–child cognitive reframing lead to lower intensity of expressed anger and sadness. Younger children expressed more sadness than older children, and maternal attention refocusing was less successful among older children than younger ones. Implications of these results for assessing the socialization of emotion regulation in preschool and school-age children are discussed. (PsycINFO Database Record (c) 2010 APA, all rights reserved)  相似文献   

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